update snippets 47-62

snippets/flattenDepth.md

@@ -11,5 +11,8 @@ Omit the second element, `depth` to flatten only to a depth of `1` (single flatt
 const flattenDepth = (arr, depth = 1) =>
   depth != 1 ? arr.reduce((a, v) => a.concat(Array.isArray(v) ? flattenDepth(v, depth - 1) : v), [])
   : arr.reduce((a, v) => a.concat(v), []);
-// flattenDepth([1,[2],[[[3],4],5]], 2) -> [1,2,[3],4,5]
+```
+
+```js
+flatten([1,[2],3,4]) -> [1,2,3,4]
 ```

snippets/flip.md

@@ -6,7 +6,9 @@ Return a closure that takes variadic inputs, and splices the last argument to ma
 
 ```js
 const flip = fn => (...args) => fn(args.pop(), ...args);
-/*
+```
+
+```js
 let a = {name: 'John Smith'}
 let b = {}
 const mergeFrom = flip(Object.assign)
@@ -14,5 +16,4 @@ let mergePerson = mergeFrom.bind(null, a)
 mergePerson(b) // == b
 b = {}
 Object.assign(b, a) // == b
-*/
 ```

snippets/fromCamelCase.md

@@ -9,7 +9,10 @@ Omit the second argument to use a default separator of `_`.
 const fromCamelCase = (str, separator = '_') =>
   str.replace(/([a-z\d])([A-Z])/g, '$1' + separator + '$2')
     .replace(/([A-Z]+)([A-Z][a-z\d]+)/g, '$1' + separator + '$2').toLowerCase();
-// fromCamelCase('someDatabaseFieldName', ' ') -> 'some database field name'
-// fromCamelCase('someLabelThatNeedsToBeCamelized', '-') -> 'some-label-that-needs-to-be-camelized'
-// fromCamelCase('someJavascriptProperty', '_') -> 'some_javascript_property'
+```
+
+```js
+fromCamelCase('someDatabaseFieldName', ' ') -> 'some database field name'
+fromCamelCase('someLabelThatNeedsToBeCamelized', '-') -> 'some-label-that-needs-to-be-camelized'
+fromCamelCase('someJavascriptProperty', '_') -> 'some_javascript_property'
 ```

snippets/functionName.md

@@ -6,5 +6,8 @@ Use `console.debug()` and the `name` property of the passed method to log the me
 
 ```js
 const functionName = fn => (console.debug(fn.name), fn);
-// functionName(Math.max) -> max (logged in debug channel of console)
+```
+
+```js
+functionName(Math.max) -> max (logged in debug channel of console)
 ```

snippets/gcd.md

@@ -8,5 +8,8 @@ Otherwise, return the GCD of `y` and the remainder of the division `x/y`.
 
 ```js
 const gcd = (x, y) => !y ? x : gcd(y, x % y);
-// gcd (8, 36) -> 4
+```
+
+```js
+gcd (8, 36) -> 4
 ```

snippets/getDaysDiffBetweenDates.md

@@ -6,5 +6,8 @@ Calculate the difference (in days) between two `Date` objects.
 
 ```js
 const getDaysDiffBetweenDates = (dateInitial, dateFinal) => (dateFinal - dateInitial) / (1000 * 3600 * 24);
-// getDaysDiffBetweenDates(new Date("2017-12-13"), new Date("2017-12-22")) -> 9
+```
+
+```js
+getDaysDiffBetweenDates(new Date("2017-12-13"), new Date("2017-12-22")) -> 9
 ```

snippets/getScrollPosition.md

@@ -9,5 +9,8 @@ You can omit `el` to use a default value of `window`.
 const getScrollPosition = (el = window) =>
   ({x: (el.pageXOffset !== undefined) ? el.pageXOffset : el.scrollLeft,
     y: (el.pageYOffset !== undefined) ? el.pageYOffset : el.scrollTop});
-// getScrollPosition() -> {x: 0, y: 200}
+```
+
+```js
+getScrollPosition() -> {x: 0, y: 200}
 ```

snippets/getType.md

@@ -7,5 +7,8 @@ Returns lowercased constructor name of value, "undefined" or "null" if value is
 ```js
 const getType = v =>
   v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();
-// getType(new Set([1,2,3])) -> "set"
+```
+
+```js
+getType(new Set([1,2,3])) -> "set"
 ```

snippets/getURLParameters.md

@@ -10,5 +10,8 @@ const getURLParameters = url =>
   url.match(/([^?=&]+)(=([^&]*))/g).reduce(
     (a, v) => (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1), a), {}
   );
-// getURLParameters('http://url.com/page?name=Adam&surname=Smith') -> {name: 'Adam', surname: 'Smith'}
+```
+
+```js
+getURLParameters('http://url.com/page?name=Adam&surname=Smith') -> {name: 'Adam', surname: 'Smith'}
 ```

snippets/groupBy.md

@@ -9,6 +9,9 @@ Use `Array.reduce()` to create an object, where the keys are produced from the m
 const groupBy = (arr, func) =>
   arr.map(typeof func === 'function' ? func : val => val[func])
     .reduce((acc, val, i) => { acc[val] = (acc[val] || []).concat(arr[i]); return acc; }, {});
-// groupBy([6.1, 4.2, 6.3], Math.floor) -> {4: [4.2], 6: [6.1, 6.3]}
-// groupBy(['one', 'two', 'three'], 'length') -> {3: ['one', 'two'], 5: ['three']}
+```
+
+```js
+groupBy([6.1, 4.2, 6.3], Math.floor) -> {4: [4.2], 6: [6.1, 6.3]}
+groupBy(['one', 'two', 'three'], 'length') -> {3: ['one', 'two'], 5: ['three']}
 ```

snippets/hammingDistance.md

@@ -8,5 +8,8 @@ Count and return the number of `1`s in the string, using `match(/1/g)`.
 ```js
 const hammingDistance = (num1, num2) =>
   ((num1 ^ num2).toString(2).match(/1/g) || '').length;
-// hammingDistance(2,3) -> 1
+```
+
+```js
+hammingDistance(2,3) -> 1
 ```

snippets/head.md

@@ -6,5 +6,8 @@ Use `arr[0]` to return the first element of the passed array.
 
 ```js
 const head = arr => arr[0];
-// head([1,2,3]) -> 1
+```
+
+```js
+head([1,2,3]) -> 1
 ```

snippets/hexToRGB.md

@@ -16,7 +16,10 @@ const hexToRGB = hex => {
     ((h & (alpha ? 0x0000ff00 : 0x0000ff)) >>> (alpha ? 8 : 0)) +
     (alpha ? `, ${(h & 0x000000ff)}` : '') + ')';
 };
-// hexToRGB('#27ae60ff') -> 'rgba(39, 174, 96, 255)'
-// hexToRGB('27ae60') -> 'rgb(39, 174, 96)'
-// hexToRGB('#fff') -> 'rgb(255, 255, 255)'
+```
+
+```js
+hexToRGB('#27ae60ff') // 'rgba(39, 174, 96, 255)'
+hexToRGB('27ae60') // 'rgb(39, 174, 96)'
+hexToRGB('#fff') // 'rgb(255, 255, 255)'
 ```

snippets/initial.md

@@ -6,5 +6,8 @@ Use `arr.slice(0,-1)` to return all but the last element of the array.
 
 ```js
 const initial = arr => arr.slice(0, -1);
-// initial([1,2,3]) -> [1,2]
+```
+
+```js
+initial([1,2,3]) -> [1,2]
 ```

snippets/initialize2DArray.md

@@ -6,5 +6,8 @@ Use `Array.map()` to generate h rows where each is a new array of size w initial
 
 ```js
 const initialize2DArray = (w, h, val = null) => Array(h).fill().map(() => Array(w).fill(val));
-// initializeArrayWithRange(2, 2, 0) -> [[0,0], [0,0]]
+```
+
+```js
+initializeArrayWithRange(2, 2, 0) -> [[0,0], [0,0]]
 ```