diff --git a/docs/adapter.html b/docs/adapter.html index 81ebb2fb9..5f4a8951e 100644 --- a/docs/adapter.html +++ b/docs/adapter.html @@ -60,6 +60,20 @@ document.querySelector('[type="search"]').classList = ''; document.querySelector('.menu-button').classList = 'menu-button'; } + else if (event.target.classList.contains('social')){ + if (event.target.classList.contains('fb')){ + setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25); + window.location = "fb://30secondsofcode"; + } + else if (event.target.classList.contains('instagram')) { + setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25); + window.location = "instagram://30secondsofcode"; + } + else if (event.target.classList.contains('twitter')) { + setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25); + window.location = "twitter://30secondsofcode"; + } + } else if (event.target.classList.contains('copy-button')) { const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent; const textArea = document.createElement("textarea"); @@ -80,7 +94,7 @@ },1700); } }, false); - }

logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.



Adapter

ary

Creates a function that accepts up to n arguments, ignoring any additional arguments.

Call the provided function, fn, with up to n arguments, using Array.slice(0,n) and the spread operator (...).

const ary = (fn, n) => (...args) => fn(...args.slice(0, n));
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Adapter
ary
Creates a function that accepts up to n arguments, ignoring any additional arguments.
Call the provided function, fn, with up to n arguments, using Array.slice(0,n) and the spread operator (...).
const ary = (fn, n) => (...args) => fn(...args.slice(0, n));
 
const firstTwoMax = ary(Math.max, 2);
 [[2, 6, 'a'], [8, 4, 6], [10]].map(x => firstTwoMax(...x)); // [6, 8, 10]
 
call
Given a key and a set of arguments, call them when given a context. Primarily useful in composition.
Use a closure to call a stored key with stored arguments.
const call = (key, ...args) => context => context[key](...args);
diff --git a/docs/browser.html b/docs/browser.html
index 25b3f757b..3392834f6 100644
--- a/docs/browser.html
+++ b/docs/browser.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Browser
arrayToHtmlList
Converts the given array elements into <li> tags and appends them to the list of the given id.
Use Array.map(), document.querySelector(), and an anonymous inner closure to create a list of html tags.
const arrayToHtmlList = (arr, listID) =>
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Browser
arrayToHtmlList
Converts the given array elements into <li> tags and appends them to the list of the given id.
Use Array.map(), document.querySelector(), and an anonymous inner closure to create a list of html tags.
const arrayToHtmlList = (arr, listID) =>
   (el => (
     (el = document.querySelector('#' + listID)),
     (el.innerHTML += arr.map(item => `<li>${item}</li>`).join(''))
diff --git a/docs/date.html b/docs/date.html
index 1a81ba407..0ce820903 100644
--- a/docs/date.html
+++ b/docs/date.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Date
formatDuration
Returns the human readable format of the given number of milliseconds.
Divide ms with the appropriate values to obtain the appropriate values for day, hour, minute, second and millisecond. Use Object.entries() with Array.filter() to keep only non-zero values. Use Array.map() to create the string for each value, pluralizing appropriately. Use String.join(', ') to combine the values into a string.
const formatDuration = ms => {
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Date
formatDuration
Returns the human readable format of the given number of milliseconds.
Divide ms with the appropriate values to obtain the appropriate values for day, hour, minute, second and millisecond. Use Object.entries() with Array.filter() to keep only non-zero values. Use Array.map() to create the string for each value, pluralizing appropriately. Use String.join(', ') to combine the values into a string.
const formatDuration = ms => {
   if (ms < 0) ms = -ms;
   const time = {
     day: Math.floor(ms / 86400000),
diff --git a/docs/function.html b/docs/function.html
index 9f937f6a0..28149b546 100644
--- a/docs/function.html
+++ b/docs/function.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Function
attempt
Attempts to invoke a function with the provided arguments, returning either the result or the caught error object.
Use a try... catch block to return either the result of the function or an appropriate error.
const attempt = (fn, ...args) => {
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Function
attempt
Attempts to invoke a function with the provided arguments, returning either the result or the caught error object.
Use a try... catch block to return either the result of the function or an appropriate error.
const attempt = (fn, ...args) => {
   try {
     return fn(...args);
   } catch (e) {
diff --git a/docs/index.html b/docs/index.html
index 2e4ed2c80..983217425 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Array
all
Returns true if the provided predicate function returns true for all elements in a collection, false otherwise.
Use Array.every() to test if all elements in the collection return true based on fn. Omit the second argument, fn, to use Boolean as a default.
const all = (arr, fn = Boolean) => arr.every(fn);
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Array
all
Returns true if the provided predicate function returns true for all elements in a collection, false otherwise.
Use Array.every() to test if all elements in the collection return true based on fn. Omit the second argument, fn, to use Boolean as a default.
const all = (arr, fn = Boolean) => arr.every(fn);
 
all([4, 2, 3], x => x > 1); // true
 all([1, 2, 3]); // true
 
allEqual
Check if all elements in an array are equal.
Use Array.every() to check if all the elements of the array are the same as the first one.
const allEqual = arr => arr.every(val => val === arr[0]);
diff --git a/docs/manifest.json b/docs/manifest.json
index 81b0c667f..a07c048e8 100644
--- a/docs/manifest.json
+++ b/docs/manifest.json
@@ -3,8 +3,8 @@
   "short_name": "30s of code",
   "start_url": "./index.html",
   "display": "standalone",
-  "background_color": "#f8f8f8",
-  "theme_color": "#111",
+  "background_color": "#fff",
+  "theme_color": "#202124",
   "description": "Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.",
   "icons": [
     {
diff --git a/docs/math.html b/docs/math.html
index 470432490..5b67ec813 100644
--- a/docs/math.html
+++ b/docs/math.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Math
approximatelyEqual
Checks if two numbers are approximately equal to each other.
Use Math.abs() to compare the absolute difference of the two values to epsilon. Omit the third parameter, epsilon, to use a default value of 0.001.
const approximatelyEqual = (v1, v2, epsilon = 0.001) => Math.abs(v1 - v2) < epsilon;
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Math
approximatelyEqual
Checks if two numbers are approximately equal to each other.
Use Math.abs() to compare the absolute difference of the two values to epsilon. Omit the third parameter, epsilon, to use a default value of 0.001.
const approximatelyEqual = (v1, v2, epsilon = 0.001) => Math.abs(v1 - v2) < epsilon;
 
approximatelyEqual(Math.PI / 2.0, 1.5708); // true
 
average
Returns the average of two or more numbers.
Use Array.reduce() to add each value to an accumulator, initialized with a value of 0, divide by the length of the array.
const average = (...nums) => nums.reduce((acc, val) => acc + val, 0) / nums.length;
 
average(...[1, 2, 3]); // 2
@@ -239,7 +253,7 @@ own individual rating by supplying it as the third argument.
 
randomIntegerInRange(0, 5); // 2
 
randomNumberInRange
Returns a random number in the specified range.
Use Math.random() to generate a random value, map it to the desired range using multiplication.
const randomNumberInRange = (min, max) => Math.random() * (max - min) + min;
 
randomNumberInRange(2, 10); // 6.0211363285087005
-
round
Rounds a number to a specified amount of digits.
Use Math.round() and template literals to round the number to the specified number of digits. Omit the second argument, decimals to round to an integer.
const round = (n, decimals = 0) => Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`);
+
round
Rounds a number to a specified amount of digits.
Use Math.round() and template literals to round the number to the specified number of digits. Omit the second argument, decimals to round to an integer.
const round = (n, decimals = 0) => Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`);
 
round(1.005, 2); // 1.01
 
sdbm
Hashes the input string into a whole number.
Use String.split('') and Array.reduce() to create a hash of the input string, utilizing bit shifting.
const sdbm = str => {
   let arr = str.split('');
diff --git a/docs/node.html b/docs/node.html
index 56c7a0fe3..9dac52bff 100644
--- a/docs/node.html
+++ b/docs/node.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Node
atob
Decodes a string of data which has been encoded using base-64 encoding.
Create a Buffer for the given string with base-64 encoding and use Buffer.toString('binary') to return the decoded string.
const atob = str => new Buffer(str, 'base64').toString('binary');
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Node
atob
Decodes a string of data which has been encoded using base-64 encoding.
Create a Buffer for the given string with base-64 encoding and use Buffer.toString('binary') to return the decoded string.
const atob = str => new Buffer(str, 'base64').toString('binary');
 
atob('Zm9vYmFy'); // 'foobar'
 
btoa
Creates a base-64 encoded ASCII string from a String object in which each character in the string is treated as a byte of binary data.
Create a Buffer for the given string with binary encoding and use Buffer.toString('base64') to return the encoded string.
const btoa = str => new Buffer(str, 'binary').toString('base64');
 
btoa('foobar'); // 'Zm9vYmFy'
diff --git a/docs/object.html b/docs/object.html
index 7aa33a312..46760d2c5 100644
--- a/docs/object.html
+++ b/docs/object.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Object
bindAll
Binds methods of an object to the object itself, overwriting the existing method.
Use Array.forEach() to return a function that uses Function.apply() to apply the given context (obj) to fn for each function specified.
const bindAll = (obj, ...fns) =>
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Object
bindAll
Binds methods of an object to the object itself, overwriting the existing method.
Use Array.forEach() to return a function that uses Function.apply() to apply the given context (obj) to fn for each function specified.
const bindAll = (obj, ...fns) =>
   fns.forEach(
     fn => (
       (f = obj[fn]),
diff --git a/docs/scss/style.scss b/docs/scss/style.scss
index b6a439629..85c94873b 100644
--- a/docs/scss/style.scss
+++ b/docs/scss/style.scss
@@ -513,6 +513,8 @@ h2.category-name {
     padding-bottom: calc(0.75 * var(#{$universal-padding-var}));
     margin-bottom: calc(2 * var(#{$universal-margin-var}));
     border-bottom: $__1px solid var(#{$border-color-var});
+    padding-top: 5rem;
+    margin-top: -4.25rem;
   }
   &.code-card {
     margin-top: calc(5 * var(#{$universal-margin-var}));
@@ -812,6 +814,29 @@ nav {
       color: var(#{$nav-link-fore-color-var});
     }
   }
+  button.social {
+    width: 33.333%;
+    margin: 0;
+    border: 0;
+    border-radius: 0;
+    box-sizing: border-box;
+    height: 4rem;
+    background-position: center center;
+    background-repeat: no-repeat;
+    cursor: pointer;
+    &.fb {
+      background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23f0f0f0' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-facebook'%3E%3Cpath d='M18 2h-3a5 5 0 0 0-5 5v3H7v4h3v8h4v-8h3l1-4h-4V7a1 1 0 0 1 1-1h3z'%3E%3C/path%3E%3C/svg%3E");
+      background-color: #1565c0;
+    }
+    &.instagram {
+      background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-instagram'%3E%3Crect x='2' y='2' width='20' height='20' rx='5' ry='5'%3E%3C/rect%3E%3Cpath d='M16 11.37A4 4 0 1 1 12.63 8 4 4 0 0 1 16 11.37z'%3E%3C/path%3E%3Cline x1='17.5' y1='6.5' x2='17.5' y2='6.5'%3E%3C/line%3E%3C/svg%3E");
+      background-color: #ec407a;
+    }
+    &.twitter {
+      background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23f0f0f0' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-twitter'%3E%3Cpath d='M23 3a10.9 10.9 0 0 1-3.14 1.53 4.48 4.48 0 0 0-7.86 3v1A10.66 10.66 0 0 1 3 4s-4 9 5 13a11.64 11.64 0 0 1-7 2c9 5 20 0 20-11.5a4.5 4.5 0 0 0-.08-.83A7.72 7.72 0 0 0 23 3z'%3E%3C/path%3E%3C/svg%3E");
+      background-color: #03a9f4;
+    }
+  }
 }
 
 [type="search"] {
diff --git a/docs/string.html b/docs/string.html
index 3ff935de6..089965eca 100644
--- a/docs/string.html
+++ b/docs/string.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


String
byteSize
Returns the length of a string in bytes.
Convert a given string to a Blob Object and find its size.
const byteSize = str => new Blob([str]).size;
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


String
byteSize
Returns the length of a string in bytes.
Convert a given string to a Blob Object and find its size.
const byteSize = str => new Blob([str]).size;
 
byteSize('😀'); // 4
 byteSize('Hello World'); // 11
 
capitalize
Capitalizes the first letter of a string.
Use array destructuring and String.toUpperCase() to capitalize first letter, ...rest to get array of characters after first letter and then Array.join('') to make it a string again. Omit the lowerRest parameter to keep the rest of the string intact, or set it to true to convert to lowercase.
const capitalize = ([first, ...rest], lowerRest = false) =>
diff --git a/docs/style.css b/docs/style.css
index d62d9619e..35909ef78 100644
--- a/docs/style.css
+++ b/docs/style.css
@@ -1 +1 @@
-@font-face{font-family:'Roboto';font-style:normal;font-weight:300;src:local("Roboto Light"),local("Roboto-Light"),url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmSU5fBBc4.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}@font-face{font-family:'Roboto';font-style:italic;font-weight:300;src:local("Roboto Light Italic"),local("Roboto-LightItalic"),url(https://fonts.gstatic.com/s/roboto/v18/KFOjCnqEu92Fr1Mu51TjASc6CsQ.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}@font-face{font-family:'Roboto';font-style:normal;font-weight:500;src:local("Roboto Medium"),local("Roboto-Medium"),url(https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}@font-face{font-family:'Roboto Mono';font-style:normal;font-weight:300;src:local("Roboto Mono Light"),local("RobotoMono-Light"),url(https://fonts.gstatic.com/s/robotomono/v5/L0xkDF4xlVMF-BfR8bXMIjDgiWqxf78.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}@font-face{font-family:'Roboto Mono';font-style:italic;font-weight:300;src:local("Roboto Mono Light Italic"),local("RobotoMono-LightItalic"),url(https://fonts.gstatic.com/s/robotomono/v5/L0xmDF4xlVMF-BfR8bXMIjhOk9a0T72jBg.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}@font-face{font-family:'Roboto Mono';font-style:normal;font-weight:500;src:local("Roboto Mono Medium"),local("RobotoMono-Medium"),url(https://fonts.gstatic.com/s/robotomono/v5/L0xkDF4xlVMF-BfR8bXMIjC4iGqxf78.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;font-display:swap}:root{--fore-color:#212121;--back-color:#fff;--card-page-back-color:#eee;--border-color:#eee;--universal-margin:.5rem;--universal-padding:.5rem;--universal-border-radius:.125rem;--a-link-color:#0277bd;--a-visited-color:#01579b;--code-fore-color:#8e24aa;--code-back-color:#f0f0f0;--code-selected-color:#37474f;--pre-fore-color:#e57373;--pre-back-color:#263238;--token-color-a:#7f99a5;--token-color-b:#bdbdbd;--token-color-c:#64b5f6;--token-color-d:#ff8f00;--token-color-e:#c5e1a5;--token-color-f:#ce93d8;--token-color-g:#26c6da;--token-color-h:#e57373;--collapse-color:#607d8b;--copy-button-color:#1e88e5;--copy-button-hover-color:#2196f3;--scrolltop-button-color:#26a69a;--scrolltop-button-hover-color:#4db6ac;--beginner-color:#7cb342;--intermediate-color:#ffb300;--advanced-color:#e53935;--header-fore-color:#fff;--header-back-color:#202124;--nav-fore-color:#f0f0f0;--nav-back-color:#202124;--footer-fore-color:#616161;--footer-back-color:#e0e0e0;--nav-link-fore-color:#e0e0e0;--nav-link-border-color:#455a64;--nav-link-hover-color:#2b2c30;--search-fore-color:#fafafa;--search-back-color:#111;--search-border-color:#9e9e9e;--search-hover-border-color:#26a69a}html{font-size:16px;scroll-behavior:smooth}html,*{font-family:Roboto, Helvetica, sans-serif;line-height:1.5;-webkit-text-size-adjust:100%}*{font-size:1rem;font-weight:300}a,b,del,em,i,ins,q,span,strong,u{font-size:1em}body{margin:0;color:var(--fore-color);background:var(--back-color);overflow-x:hidden}body.card-page{background:var(--card-page-back-color)}details{display:block}summary{display:list-item}abbr[title]{border-bottom:none;text-decoration:underline dotted}input{overflow:visible}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button{height:auto}[type="search"]{-webkit-appearance:textfield;outline-offset:-2px}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration{-webkit-appearance:none}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{line-height:1.2;margin:calc(1.5 * var(--universal-margin)) var(--universal-margin)}h1{font-size:6rem}h2{font-size:3.75rem}h3{font-size:3rem}h4{font-size:2.125rem}h5{font-size:1.5rem}h6{font-size:1.25rem}p{margin:var(--universal-margin)}ol,ul{margin:var(--universal-margin);padding-left:calc(2 * var(--universal-margin))}b,strong{font-weight:500}hr{box-sizing:content-box;border:0;line-height:1.25em;margin:var(--universal-margin);height:.0625rem;background:linear-gradient(to right, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent)}code,kbd,pre{font-size:.875em}code,kbd,pre,code *,pre *,kbd *,code[class*="language-"],pre[class*="language-"]{font-family:Roboto Mono, Menlo, Consolas, monospace}sup,sub,code,kbd{line-height:0;position:relative;vertical-align:baseline}code{background:var(--code-back-color);color:var(--code-fore-color);padding:calc(var(--universal-padding) / 4) calc(var(--universal-padding) / 2);border-radius:var(--universal-border-radius)}pre{overflow:auto;background:var(--pre-back-color);color:var(--pre-fore-color);padding:calc(1.5 * var(--universal-padding));margin:var(--universal-margin);border:0}code[class*="language-"],pre[class*="language-"]{color:var(--pre-fore-color);text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.8;-moz-tab-size:2;-o-tab-size:2;tab-size:2;-webkit-hypens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*="language-"]{padding:calc(2 * var(--universal-padding));overflow:auto;margin:var(--universal-margin) 0;white-space:pre-wrap}pre[class*="language-"]::-moz-selection,pre[class*="language-"] ::-moz-selection,code[class*="language-"]::-moz-selection,code[class*="language-"] ::-moz-selection{background:var(--code-selected-color)}pre[class*="language-"]::selection,pre[class*="language-"] ::selection,code[class*="language-"]::selection,code[class*="language-"] ::selection{background:var(--code-selected-color)}:not(pre)>code[class*="language-"]{padding:.1em;border-radius:.3em;white-space:normal}.namespace{opacity:.7}.token.comment,.token.prolog,.token.doctype,.token.cdata{color:var(--token-color-a)}.token.punctuation{color:var(--token-color-b)}.token.property,.token.tag,.token.boolean,.token.constant,.token.symbol,.token.deleted,.token.function{color:var(--token-color-c)}.token.number,.token.class-name{color:var(--token-color-d)}.token.selector,.token.attr-name,.token.string,.token.char,.token.builtin,.token.inserted{color:var(--token-color-e)}.token.operator,.token.entity,.token.url,.token.atrule,.token.attr-value,.token.keyword,.token.interpolation-punctuation{color:var(--token-color-f)}.token.regex{color:var(--token-color-g)}.token.important,.token.variable{color:var(--token-color-h)}.token.italic,.token.comment{font-style:italic}.token.important,.token.bold{font-weight:500}.token.entity{cursor:help}.language-css .token.string,.style 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auto;flex-flow:row wrap}.flex-row .flex-item{flex:0 0 auto;max-width:50%;flex-basis:50%}@media screen and (min-width: 768px){.flex-row .flex-item{max-width:25%;flex-basis:25%}}@media screen and (min-width: 1280px){.flex-row .flex-item{max-width:100%;flex-grow:1;flex-basis:0}}h2.category-name{text-align:center}.card{overflow:hidden;position:relative;margin:var(--universal-margin);border-radius:calc(4 * var(--universal-border-radius));box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2)}.card h4{text-align:center;padding-bottom:calc(0.75 * var(--universal-padding));margin-bottom:calc(2 * var(--universal-margin));border-bottom:.0625rem solid var(--border-color)}.card.code-card{margin-top:calc(5 * var(--universal-margin));background:var(--pre-back-color)}.card.code-card .section.card-content{background:var(--back-color);padding:calc(1.5 * var(--universal-padding))}.card.code-card .collapse{display:block;font-size:0.75rem;font-family:Roboto Mono, Menlo, Consolas, monospace;text-transform:uppercase;background:var(--pre-back-color);color:var(--collapse-color);padding:calc(1.5 * var(--universal-padding)) calc(1.5 * var(--universal-padding)) calc(2 * var(--universal-padding)) calc(2.25 * var(--universal-padding));margin-left:calc(1.5 * var(--universal-margin));cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23607D8B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-plus-square'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='12' y1='8' x2='12' y2='16'%3E%3C/line%3E%3Cline x1='8' y1='12' x2='16' y2='12'%3E%3C/line%3E%3C/svg%3E");background-position:0.25rem 0.9375rem;background-repeat:no-repeat}.card.code-card .collapse+pre.card-examples{margin-left:calc(1.5 * var(--universal-margin));position:absolute;transform:scaleY(0);transform-origin:top;transition:transform 0.3s ease}.card.code-card .collapse.toggled{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23607D8B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-minus-square'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='8' y1='12' x2='16' y2='12'%3E%3C/line%3E%3C/svg%3E");padding-bottom:calc(0.125 * var(--universal-padding))}.card.code-card .collapse.toggled+pre.card-examples{position:relative;transform:scaleY(1)}.card.code-card pre.section.card-code{position:relative;margin-bottom:0;padding-bottom:0;padding-top:calc(3 * var(--universal-padding))}.card.code-card pre.section.card-examples{margin-top:0;margin-bottom:0;border-radius:0 0 calc(4 * var(--universal-border-radius)) calc(4 * var(--universal-border-radius));padding-top:0}.card.code-card pre.section.card-examples:before{content:'';display:block;position:absolute;top:0;left:0.5625rem;border-left:.0625rem solid var(--collapse-color);height:calc(100% - 18px)}.card.code-card .copy-button-container{position:relative;z-index:2}.card.code-card .copy-button-container .copy-button{background:var(--copy-button-color);box-sizing:border-box;position:absolute;top:-1.75rem;right:0;margin:calc(2 * var(--universal-margin));padding:calc(2.5 * var(--universal-padding));border-radius:50%;border:0;box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-clipboard'%3E%3Cpath d='M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2'%3E%3C/path%3E%3Crect x='8' y='2' width='8' height='4' rx='1' ry='1'%3E%3C/rect%3E%3C/svg%3E");background-position:center center;background-repeat:no-repeat}.card.code-card .copy-button-container .copy-button:hover,.card.code-card .copy-button-container .copy-button:focus{background-color:var(--copy-button-hover-color);box-shadow:0 3px 3px 0 rgba(0,0,0,0.14),0 1px 7px 0 rgba(0,0,0,0.12),0 3px 1px -1px rgba(0,0,0,0.2)}.card.code-card .copy-button-container .copy-button:before{background:var(--back-color);position:absolute;top:-0.25rem;right:-0.25rem;content:'';display:block;box-sizing:border-box;padding:calc(2.5 * var(--universal-padding));border-radius:50%;border:0.25rem solid var(--back-color);z-index:-1}.card.code-card .corner{box-sizing:border-box;position:absolute;top:-0.5rem;right:-2.125rem;width:4rem;height:2rem;padding-top:2rem;transform:rotate(45deg);text-align:center;font-size:0.75rem;font-weight:500;color:var(--back-color);box-shadow:0 2px 2px 0 rgba(0,0,0,0.07),0 3px 1px -2px rgba(0,0,0,0.06),0 1px 5px 0 rgba(0,0,0,0.1)}.card.code-card .corner.beginner{background:var(--beginner-color)}.card.code-card .corner.intermediate{background:var(--intermediate-color)}.card.code-card .corner.advanced{background:var(--advanced-color)}.toast{position:fixed;bottom:calc(var(--universal-margin) * 2);margin-bottom:0;font-size:0.8125rem;left:50%;transform:translate(-50%, -50%);z-index:1111;color:var(--back-color);background:var(--fore-color);border-radius:calc(var(--universal-border-radius) * 16);padding:var(--universal-padding) calc(var(--universal-padding) * 2);box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease}header{box-sizing:border-box;overflow:hidden;height:3.5rem;position:fixed;width:110%;top:0;left:-5%;box-shadow:0 2px 4px rgba(0,0,0,0.5);z-index:5;background:var(--header-back-color);transition:top 0.3s ease}header h1.logo{position:relative;top:0;margin-top:0;font-size:1.625rem;text-align:center}header h1 a,header h1 a:link,header h1 a:visited{color:var(--header-fore-color)}header h1 a:hover,header h1 a:focus,header h1 a:link:hover,header h1 a:link:focus,header h1 a:visited:hover,header h1 a:visited:focus{text-decoration:none}header h1 small{display:block;font-size:0.875rem;color:var(--header-back-color);margin-top:0.75rem}header img{height:3.5rem;padding:0.375rem;box-sizing:border-box}header #title{position:relative;top:-1.125rem}@media screen and (max-width: 768px){header #title{display:none}}nav{position:fixed;top:6.5rem;left:-320px;width:320px;transition:left 0.3s ease;z-index:1100;height:calc(100vh - 6.5rem);box-sizing:border-box;display:block;background:var(--nav-back-color);border:0;overflow-y:auto}@media screen and (max-width: 320px){nav{width:100%}}@media screen and (min-width: 768px){nav{width:33vw;left:-33vw}}@media screen and (min-width: 1280px){nav{width:25vw;left:-25vw}}nav.col-nav{box-shadow:0 8px 17px 2px rgba(0,0,0,0.14),0 3px 14px 2px rgba(0,0,0,0.12),0 5px 5px -3px rgba(0,0,0,0.2);left:0}@media screen and (min-width: 768px){nav.col-nav+main.col-centered,nav.col-nav+main.col-centered+footer.col-full-width{grid-column:5/13}}@media screen and (min-width: 1280px){nav.col-nav+main.col-centered{grid-column:4/12;padding-left:8vw}nav.col-nav+main.col-centered+footer.col-full-width{grid-column:4/13}}nav h4{margin:0;padding:calc(2.5 * var(--universal-padding)) calc(2 * var(--universal-padding)) calc(1 * var(--universal-padding)) calc(1 * var(--universal-padding));color:var(--nav-fore-color);font-size:1.5rem}nav h4.collapse{display:block;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-down'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 0.5rem top 1.5rem;background-repeat:no-repeat}nav h4.collapse+ul{position:absolute;transform:scaleY(0);transform-origin:top;transition:transform 0.3s ease}nav h4.collapse.toggled{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-up'%3E%3Cpolyline points='18 15 12 9 6 15'%3E%3C/polyline%3E%3C/svg%3E");padding-bottom:calc(0.125 * var(--universal-padding))}nav h4.collapse.toggled+ul{position:relative;transform:scaleY(1)}nav h4+h4{border-top:.0625rem solid var(--nav-link-border-color)}nav h4>a{display:block;line-height:1}nav h4>a:hover,nav h4>a:focus{text-decoration:none}nav ul{width:100%;margin-left:-0.75rem;background:var(--nav-back-color)}nav ul+h4{border-top:.0625rem solid var(--nav-link-border-color)}nav li{margin:calc(0.5 * var(--universal-margin));margin-left:var(--universal-margin);margin-bottom:0;padding:calc(2 * var(--universal-padding)) calc(1.5 * var(--universal-padding));border-left:.0625rem solid var(--nav-link-border-color)}nav li:hover{text-decoration:none;background:var(--nav-link-hover-color)}nav li+li{margin-top:0}nav a:link,nav a:visited{color:var(--nav-link-fore-color)}[type="search"]{z-index:1000;position:fixed;top:3.5rem;height:3rem;left:-320px;width:320px;color:var(--search-fore-color);background:var(--search-back-color);outline:none;box-sizing:border-box;border:none;border-bottom:.0625rem solid var(--search-border-color);margin-bottom:var(--universal-margin);padding:calc(2 * var(--universal-padding)) calc(1.5 * var(--universal-padding)) var(--universal-padding) calc(1.5 * var(--universal-padding));transition:all 0.3s ease}@media screen and (max-width: 320px){[type="search"]{width:100%}}@media screen and (min-width: 768px){[type="search"]{width:33vw;left:-33vw}}@media screen and (min-width: 1280px){[type="search"]{width:25vw;left:-25vw}}[type="search"].col-nav{box-shadow:0 8px 17px 2px rgba(0,0,0,0.14),0 3px 14px 2px rgba(0,0,0,0.12),0 5px 5px -3px rgba(0,0,0,0.2);left:0}@media screen and (min-width: 768px){[type="search"].col-nav+main.col-centered,[type="search"].col-nav+main.col-centered+footer.col-full-width{grid-column:5/13}}@media screen and (min-width: 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a:visited{color:var(--fore-color)}.scroll-to-top{position:fixed;bottom:1rem;right:1.375rem;box-sizing:border-box;z-index:1100;height:2.75rem;width:2.75rem;border:0;border-radius:100%;background:var(--scrolltop-button-color);background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-arrow-up'%3E%3Cline x1='12' y1='19' x2='12' y2='5'%3E%3C/line%3E%3Cpolyline points='5 12 12 5 19 12'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center center;cursor:pointer;box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease}.scroll-to-top:hover,.scroll-to-top:focus{background-color:var(--scrolltop-button-hover-color);box-shadow:0 3px 3px 0 rgba(0,0,0,0.14),0 1px 7px 0 rgba(0,0,0,0.12),0 3px 1px -1px 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U+FFFD;font-display:swap}:root{--fore-color:#212121;--back-color:#fff;--card-page-back-color:#eee;--border-color:#eee;--universal-margin:.5rem;--universal-padding:.5rem;--universal-border-radius:.125rem;--a-link-color:#0277bd;--a-visited-color:#01579b;--code-fore-color:#8e24aa;--code-back-color:#f0f0f0;--code-selected-color:#37474f;--pre-fore-color:#e57373;--pre-back-color:#263238;--token-color-a:#7f99a5;--token-color-b:#bdbdbd;--token-color-c:#64b5f6;--token-color-d:#ff8f00;--token-color-e:#c5e1a5;--token-color-f:#ce93d8;--token-color-g:#26c6da;--token-color-h:#e57373;--collapse-color:#607d8b;--copy-button-color:#1e88e5;--copy-button-hover-color:#2196f3;--scrolltop-button-color:#26a69a;--scrolltop-button-hover-color:#4db6ac;--beginner-color:#7cb342;--intermediate-color:#ffb300;--advanced-color:#e53935;--header-fore-color:#fff;--header-back-color:#202124;--nav-fore-color:#f0f0f0;--nav-back-color:#202124;--footer-fore-color:#616161;--footer-back-color:#e0e0e0;--nav-link-fore-color:#e0e0e0;--nav-link-border-color:#455a64;--nav-link-hover-color:#2b2c30;--search-fore-color:#fafafa;--search-back-color:#111;--search-border-color:#9e9e9e;--search-hover-border-color:#26a69a}html{font-size:16px;scroll-behavior:smooth}html,*{font-family:Roboto, 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var(--universal-margin));position:absolute;transform:scaleY(0);transform-origin:top;transition:transform 0.3s ease}.card.code-card .collapse.toggled{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23607D8B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-minus-square'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='8' y1='12' x2='16' y2='12'%3E%3C/line%3E%3C/svg%3E");padding-bottom:calc(0.125 * var(--universal-padding))}.card.code-card .collapse.toggled+pre.card-examples{position:relative;transform:scaleY(1)}.card.code-card pre.section.card-code{position:relative;margin-bottom:0;padding-bottom:0;padding-top:calc(3 * var(--universal-padding))}.card.code-card pre.section.card-examples{margin-top:0;margin-bottom:0;border-radius:0 0 calc(4 * var(--universal-border-radius)) calc(4 * var(--universal-border-radius));padding-top:0}.card.code-card pre.section.card-examples:before{content:'';display:block;position:absolute;top:0;left:0.5625rem;border-left:.0625rem solid var(--collapse-color);height:calc(100% - 18px)}.card.code-card .copy-button-container{position:relative;z-index:2}.card.code-card .copy-button-container .copy-button{background:var(--copy-button-color);box-sizing:border-box;position:absolute;top:-1.75rem;right:0;margin:calc(2 * var(--universal-margin));padding:calc(2.5 * var(--universal-padding));border-radius:50%;border:0;box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-clipboard'%3E%3Cpath d='M16 4h2a2 2 0 0 1 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.corner{box-sizing:border-box;position:absolute;top:-0.5rem;right:-2.125rem;width:4rem;height:2rem;padding-top:2rem;transform:rotate(45deg);text-align:center;font-size:0.75rem;font-weight:500;color:var(--back-color);box-shadow:0 2px 2px 0 rgba(0,0,0,0.07),0 3px 1px -2px rgba(0,0,0,0.06),0 1px 5px 0 rgba(0,0,0,0.1)}.card.code-card .corner.beginner{background:var(--beginner-color)}.card.code-card .corner.intermediate{background:var(--intermediate-color)}.card.code-card .corner.advanced{background:var(--advanced-color)}.toast{position:fixed;bottom:calc(var(--universal-margin) * 2);margin-bottom:0;font-size:0.8125rem;left:50%;transform:translate(-50%, -50%);z-index:1111;color:var(--back-color);background:var(--fore-color);border-radius:calc(var(--universal-border-radius) * 16);padding:var(--universal-padding) calc(var(--universal-padding) * 2);box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease}header{box-sizing:border-box;overflow:hidden;height:3.5rem;position:fixed;width:110%;top:0;left:-5%;box-shadow:0 2px 4px rgba(0,0,0,0.5);z-index:5;background:var(--header-back-color);transition:top 0.3s ease}header h1.logo{position:relative;top:0;margin-top:0;font-size:1.625rem;text-align:center}header h1 a,header h1 a:link,header h1 a:visited{color:var(--header-fore-color)}header h1 a:hover,header h1 a:focus,header h1 a:link:hover,header h1 a:link:focus,header h1 a:visited:hover,header h1 a:visited:focus{text-decoration:none}header h1 small{display:block;font-size:0.875rem;color:var(--header-back-color);margin-top:0.75rem}header img{height:3.5rem;padding:0.375rem;box-sizing:border-box}header #title{position:relative;top:-1.125rem}@media screen and (max-width: 768px){header #title{display:none}}nav{position:fixed;top:6.5rem;left:-320px;width:320px;transition:left 0.3s ease;z-index:1100;height:calc(100vh - 6.5rem);box-sizing:border-box;display:block;background:var(--nav-back-color);border:0;overflow-y:auto}@media screen and (max-width: 320px){nav{width:100%}}@media screen and (min-width: 768px){nav{width:33vw;left:-33vw}}@media screen and (min-width: 1280px){nav{width:25vw;left:-25vw}}nav.col-nav{box-shadow:0 8px 17px 2px rgba(0,0,0,0.14),0 3px 14px 2px rgba(0,0,0,0.12),0 5px 5px -3px rgba(0,0,0,0.2);left:0}@media screen and (min-width: 768px){nav.col-nav+main.col-centered,nav.col-nav+main.col-centered+footer.col-full-width{grid-column:5/13}}@media screen and (min-width: 1280px){nav.col-nav+main.col-centered{grid-column:4/12;padding-left:8vw}nav.col-nav+main.col-centered+footer.col-full-width{grid-column:4/13}}nav h4{margin:0;padding:calc(2.5 * var(--universal-padding)) calc(2 * var(--universal-padding)) calc(1 * var(--universal-padding)) calc(1 * var(--universal-padding));color:var(--nav-fore-color);font-size:1.5rem}nav h4.collapse{display:block;cursor:pointer;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-down'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 0.5rem top 1.5rem;background-repeat:no-repeat}nav h4.collapse+ul{position:absolute;transform:scaleY(0);transform-origin:top;transition:transform 0.3s ease}nav h4.collapse.toggled{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-up'%3E%3Cpolyline points='18 15 12 9 6 15'%3E%3C/polyline%3E%3C/svg%3E");padding-bottom:calc(0.125 * var(--universal-padding))}nav h4.collapse.toggled+ul{position:relative;transform:scaleY(1)}nav h4+h4{border-top:.0625rem solid var(--nav-link-border-color)}nav h4>a{display:block;line-height:1}nav h4>a:hover,nav h4>a:focus{text-decoration:none}nav ul{width:100%;margin-left:-0.75rem;background:var(--nav-back-color)}nav ul+h4{border-top:.0625rem solid var(--nav-link-border-color)}nav li{margin:calc(0.5 * var(--universal-margin));margin-left:var(--universal-margin);margin-bottom:0;padding:calc(2 * var(--universal-padding)) calc(1.5 * var(--universal-padding));border-left:.0625rem solid var(--nav-link-border-color)}nav li:hover{text-decoration:none;background:var(--nav-link-hover-color)}nav li+li{margin-top:0}nav a:link,nav a:visited{color:var(--nav-link-fore-color)}nav button.social{width:33.333%;margin:0;border:0;border-radius:0;box-sizing:border-box;height:4rem;background-position:center center;background-repeat:no-repeat;cursor:pointer}nav button.social.fb{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23f0f0f0' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-facebook'%3E%3Cpath d='M18 2h-3a5 5 0 0 0-5 5v3H7v4h3v8h4v-8h3l1-4h-4V7a1 1 0 0 1 1-1h3z'%3E%3C/path%3E%3C/svg%3E");background-color:#1565c0}nav button.social.instagram{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-instagram'%3E%3Crect x='2' y='2' width='20' height='20' rx='5' ry='5'%3E%3C/rect%3E%3Cpath d='M16 11.37A4 4 0 1 1 12.63 8 4 4 0 0 1 16 11.37z'%3E%3C/path%3E%3Cline x1='17.5' y1='6.5' x2='17.5' y2='6.5'%3E%3C/line%3E%3C/svg%3E");background-color:#ec407a}nav button.social.twitter{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23f0f0f0' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-twitter'%3E%3Cpath d='M23 3a10.9 10.9 0 0 1-3.14 1.53 4.48 4.48 0 0 0-7.86 3v1A10.66 10.66 0 0 1 3 4s-4 9 5 13a11.64 11.64 0 0 1-7 2c9 5 20 0 20-11.5a4.5 4.5 0 0 0-.08-.83A7.72 7.72 0 0 0 23 3z'%3E%3C/path%3E%3C/svg%3E");background-color:#03a9f4}[type="search"]{z-index:1000;position:fixed;top:3.5rem;height:3rem;left:-320px;width:320px;color:var(--search-fore-color);background:var(--search-back-color);outline:none;box-sizing:border-box;border:none;border-bottom:.0625rem solid var(--search-border-color);margin-bottom:var(--universal-margin);padding:calc(2 * var(--universal-padding)) calc(1.5 * var(--universal-padding)) var(--universal-padding) calc(1.5 * var(--universal-padding));transition:all 0.3s ease}@media screen and (max-width: 320px){[type="search"]{width:100%}}@media screen and (min-width: 768px){[type="search"]{width:33vw;left:-33vw}}@media screen and (min-width: 1280px){[type="search"]{width:25vw;left:-25vw}}[type="search"].col-nav{box-shadow:0 8px 17px 2px rgba(0,0,0,0.14),0 3px 14px 2px rgba(0,0,0,0.12),0 5px 5px -3px rgba(0,0,0,0.2);left:0}@media screen and (min-width: 768px){[type="search"].col-nav+main.col-centered,[type="search"].col-nav+main.col-centered+footer.col-full-width{grid-column:5/13}}@media screen and (min-width: 1280px){[type="search"].col-nav+main.col-centered{grid-column:4/12;padding-left:8vw}[type="search"].col-nav+main.col-centered+footer.col-full-width{grid-column:4/13}}[type="search"]:hover,[type="search"]:focus{border-bottom:.0625rem solid var(--search-hover-border-color)}[type="search"]:focus{box-shadow:0 8px 17px 2px rgba(0,0,0,0.14),0 3px 14px 2px rgba(0,0,0,0.12),0 5px 5px -3px rgba(0,0,0,0.2),inset 0 -.0625rem 0 0 var(--search-hover-border-color)}.menu-button{position:fixed;top:0;left:0;z-index:1000;box-sizing:border-box;outline:none;height:3.5rem;width:3.5rem;border:0;background:transparent;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fafafa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-more-horizontal'%3E%3Ccircle cx='12' cy='12' r='1'%3E%3C/circle%3E%3Ccircle cx='19' cy='12' r='1'%3E%3C/circle%3E%3Ccircle cx='5' cy='12' r='1'%3E%3C/circle%3E%3C/svg%3E");background-repeat:no-repeat;background-position:0.875rem 0.875rem;cursor:pointer;transition:all 0.3s ease}.menu-button:hover{background-color:rgba(255,255,255,0.08)}.menu-button.toggled{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fafafa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-more-vertical'%3E%3Ccircle cx='12' cy='12' r='1'%3E%3C/circle%3E%3Ccircle cx='12' cy='5' r='1'%3E%3C/circle%3E%3Ccircle cx='12' cy='19' r='1'%3E%3C/circle%3E%3C/svg%3E")}footer{color:var(--footer-fore-color);background:var(--footer-back-color);padding-top:calc(2 * var(--universal-padding));padding-bottom:calc(3 * var(--universal-padding));margin-top:calc(6 * var(--universal-margin))}footer *{font-size:0.875rem}footer a,footer a:link,footer a:visited{color:var(--fore-color)}.scroll-to-top{position:fixed;bottom:1rem;right:1.375rem;box-sizing:border-box;z-index:1100;height:2.75rem;width:2.75rem;border:0;border-radius:100%;background:var(--scrolltop-button-color);background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-arrow-up'%3E%3Cline x1='12' y1='19' x2='12' y2='5'%3E%3C/line%3E%3Cpolyline points='5 12 12 5 19 12'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center center;cursor:pointer;box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);transition:all 0.3s ease}.scroll-to-top:hover,.scroll-to-top:focus{background-color:var(--scrolltop-button-hover-color);box-shadow:0 3px 3px 0 rgba(0,0,0,0.14),0 1px 7px 0 rgba(0,0,0,0.12),0 3px 1px -1px rgba(0,0,0,0.2)}.card.contributor>.section.button{font-size:1rem;font-weight:500;text-align:center;display:block;transition:all 0.3s ease}.card.contributor>.section.button:link,.card.contributor>.section.button:visited{color:var(--fore-color)}.card.contributor>.section.button:link:hover,.card.contributor>.section.button:visited:hover{color:var(--a-link-color);text-decoration:none}
diff --git a/docs/type.html b/docs/type.html
index b39b19c28..3bf913068 100644
--- a/docs/type.html
+++ b/docs/type.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Type
getType
Returns the native type of a value.
Returns lowercased constructor name of value, "undefined" or "null" if value is undefined or null.
const getType = v =>
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Type
getType
Returns the native type of a value.
Returns lowercased constructor name of value, "undefined" or "null" if value is undefined or null.
const getType = v =>
   v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();
 
getType(new Set([1, 2, 3])); // 'set'
 
is
Checks if the provided value is of the specified type.
Ensure the value is not undefined or null using Array.includes(), and compare the constructor property on the value with type to check if the provided value is of the specified type.
const is = (type, val) => ![, null].includes(val) && val.constructor === type;
diff --git a/docs/utility.html b/docs/utility.html
index 97b4385ac..7861682ba 100644
--- a/docs/utility.html
+++ b/docs/utility.html
@@ -60,6 +60,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");
@@ -80,7 +94,7 @@
             },1700);
           }
         }, false);
-      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Utility
castArray
Casts the provided value as an array if it's not one.
Use Array.isArray() to determine if val is an array and return it as-is or encapsulated in an array accordingly.
const castArray = val => (Array.isArray(val) ? val : [val]);
+      }
logo 30 seconds of code Curated collection of useful JavaScript snippets that you can understand in 30 seconds or less.


Utility
castArray
Casts the provided value as an array if it's not one.
Use Array.isArray() to determine if val is an array and return it as-is or encapsulated in an array accordingly.
const castArray = val => (Array.isArray(val) ? val : [val]);
 
castArray('foo'); // ['foo']
 castArray([1]); // [1]
 
cloneRegExp
Clones a regular expression.
Use new RegExp(), RegExp.source and RegExp.flags to clone the given regular expression.
const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags);
diff --git a/scripts/web.js b/scripts/web.js
index 65631de71..780d97f1e 100644
--- a/scripts/web.js
+++ b/scripts/web.js
@@ -191,6 +191,7 @@ try {
   
Glossary

   
Contributing

   
About

+  

   


`;
   // Loop over tags and snippets to create the list of snippets
   for (let tag of taggedData) {
diff --git a/static-parts/page-start.html b/static-parts/page-start.html
index 30f78aded..d8807f529 100644
--- a/static-parts/page-start.html
+++ b/static-parts/page-start.html
@@ -76,6 +76,20 @@
             document.querySelector('[type="search"]').classList = '';
             document.querySelector('.menu-button').classList = 'menu-button';
           }
+          else if (event.target.classList.contains('social')){
+            if (event.target.classList.contains('fb')){
+              setTimeout(function () { window.location = "https://www.facebook.com/30secondsofcode"; }, 25);
+              window.location = "fb://30secondsofcode";
+            }
+            else if (event.target.classList.contains('instagram')) {
+              setTimeout(function () { window.location = "https://www.instagram.com/30secondsofcode"; }, 25);
+              window.location = "instagram://30secondsofcode";
+            }
+            else if (event.target.classList.contains('twitter')) {
+              setTimeout(function () { window.location = "https://twitter.com/30secondsofcode"; }, 25);
+              window.location = "twitter://30secondsofcode";
+            } 
+          }
           else if (event.target.classList.contains('copy-button')) {
             const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
             const textArea = document.createElement("textarea");