diff --git a/snippets/attempt.md b/snippets/attempt.md
index 62d495bf3..bc8d98e48 100644
--- a/snippets/attempt.md
+++ b/snippets/attempt.md
@@ -7,8 +7,8 @@ lastUpdated: 2020-10-18T20:24:28+03:00
 
 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.
-- If the caught object is not an `Error`, use it to create a new `Error`. 
+- Use a `try...catch` block to return either the result of the function or an appropriate error.
+- If the caught object is not an `Error`, use it to create a new `Error`.
 
 ```js
 const attempt = (fn, ...args) => {
diff --git a/snippets/bucketSort.md b/snippets/bucketSort.md
index e51ee1ea5..665909c27 100644
--- a/snippets/bucketSort.md
+++ b/snippets/bucketSort.md
@@ -7,7 +7,7 @@ lastUpdated: 2020-12-29T12:22:44+02:00
 
 Sorts an array of numbers, using the bucket sort algorithm.
 
-- Use `Math.min(),` `Math.max()` and the spread operator (`...`) to find the minimum and maximum values of the given array.
+- Use `Math.min()`, `Math.max()` and the spread operator (`...`) to find the minimum and maximum values of the given array.
 - Use `Array.from()` and `Math.floor()` to create the appropriate number of `buckets` (empty arrays).
 - Use `Array.prototype.forEach()` to populate each bucket with the appropriate elements from the array.
 - Use `Array.prototype.reduce()`, the spread operator (`...`) and `Array.prototype.sort()` to sort each bucket and append it to the result.
diff --git a/snippets/copyToClipboard.md b/snippets/copyToClipboard.md
index 5d427206e..c15de9884 100644
--- a/snippets/copyToClipboard.md
+++ b/snippets/copyToClipboard.md
@@ -12,7 +12,7 @@ Only works as a result of user action (i.e. inside a `click` event listener).
 - Use `Selection.getRangeAt()`to store the selected range (if any).
 - Use `Document.execCommand('copy')` to copy to the clipboard.
 - Remove the `<textarea>` element from the HTML document.
-- Finally, use `Selection().addRange()` to recover the original selected range (if any).
+- Finally, use `Selection.addRange()` to recover the original selected range (if any).
 - **Note:** You can use the asynchronous [Clipboard API](https://developer.mozilla.org/en-US/docs/Web/API/Clipboard_API) in most current browsers. You can find out more about it in the [copyToClipboardAsync snippet](/js/s/copy-to-clipboard-async).
 
 ```js
diff --git a/snippets/debouncePromise.md b/snippets/debouncePromise.md
index 4d7bdf8ae..f3e8c916d 100644
--- a/snippets/debouncePromise.md
+++ b/snippets/debouncePromise.md
@@ -5,13 +5,13 @@ firstSeen: 2020-10-10T21:09:04+03:00
 lastUpdated: 2020-10-19T18:51:03+03:00
 ---
 
-Creates a debounced function that returns a promise, but delays invoking the provided function until at least `ms` milliseconds have elapsed since the last time it was invoked. 
+Creates a debounced function that returns a promise, but delays invoking the provided function until at least `ms` milliseconds have elapsed since the last time it was invoked.
 All promises returned during this time will return the same data.
 
 - Each time the debounced function is invoked, clear the current pending timeout with `clearTimeout()` and use `setTimeout()` to create a new timeout that delays invoking the function until at least `ms` milliseconds has elapsed.
 - Use `Function.prototype.apply()` to apply the `this` context to the function and provide the necessary arguments.
 - Create a new `Promise` and add its `resolve` and `reject` callbacks to the `pending` promises stack.
-- When `setTimeout` is called, copy the current stack (as it can change between the provided function call and its resolution), clear it and call the provided function.
+- When `setTimeout()` is called, copy the current stack (as it can change between the provided function call and its resolution), clear it and call the provided function.
 - When the provided function resolves/rejects, resolve/reject all promises in the stack (copied when the function was called) with the returned data.
 - Omit the second argument, `ms`, to set the timeout at a default of `0` ms.
 
diff --git a/snippets/detectDeviceType.md b/snippets/detectDeviceType.md
index a6cc9915d..95fed43b8 100644
--- a/snippets/detectDeviceType.md
+++ b/snippets/detectDeviceType.md
@@ -7,7 +7,7 @@ lastUpdated: 2020-10-22T20:23:47+03:00
 
 Detects whether the page is being viewed on a mobile device or a desktop.
 
-- Use a regular expression to test the `navigator.userAgent` property to figure out if the device is a mobile device or a desktop.
+- Use a regular expression to test the `Navigator.userAgent` property to figure out if the device is a mobile device or a desktop.
 
 ```js
 const detectDeviceType = () =>
diff --git a/snippets/detectLanguage.md b/snippets/detectLanguage.md
index 69969e211..109f109a1 100644
--- a/snippets/detectLanguage.md
+++ b/snippets/detectLanguage.md
@@ -7,11 +7,11 @@ lastUpdated: 2020-10-06T18:47:16+03:00
 
 Detects the preferred language of the current user.
 
-- Use `NavigationLanguage.language` or the first `NavigationLanguage.languages` if available, otherwise return `defaultLang`.
+- Use `Navigator.language` or the first value of `Navigator.languages` if available, otherwise return `defaultLang`.
 - Omit the second argument, `defaultLang`, to use `'en-US'` as the default language code.
 
 ```js
-const detectLanguage = (defaultLang = 'en-US') => 
+const detectLanguage = (defaultLang = 'en-US') =>
   navigator.language ||
   (Array.isArray(navigator.languages) && navigator.languages[0]) ||
   defaultLang;
diff --git a/snippets/findFirstN.md b/snippets/findFirstN.md
index b47aa4cc5..55875f4dd 100644
--- a/snippets/findFirstN.md
+++ b/snippets/findFirstN.md
@@ -7,7 +7,7 @@ lastUpdated: 2021-05-09T13:31:36+03:00
 
 Finds the first `n` elements for which the provided function returns a truthy value.
 
-- Use a `for..in` loop to execute the provided `matcher` for each element of `arr`.
+- Use a `for...in` loop to execute the provided `matcher` for each element of `arr`.
 - Use `Array.prototype.push()` to append elements to the results array and return them if its `length` is equal to `n`.
 
 ```js
diff --git a/snippets/hasDuplicates.md b/snippets/hasDuplicates.md
index cff346bee..052c316ef 100644
--- a/snippets/hasDuplicates.md
+++ b/snippets/hasDuplicates.md
@@ -7,7 +7,7 @@ lastUpdated: 2020-10-22T20:23:09+03:00
 
 Checks if there are duplicate values in a flat array.
 
-- Use `Set()` to get the unique values in the array.
+- Use `Set` to get the unique values in the array.
 - Use `Set.prototype.size` and `Array.prototype.length` to check if the count of the unique values is the same as elements in the original array.
 
 ```js
diff --git a/snippets/hz.md b/snippets/hz.md
index 2ff308a32..75e5311af 100644
--- a/snippets/hz.md
+++ b/snippets/hz.md
@@ -6,7 +6,7 @@ firstSeen: 2018-04-11T16:39:49+03:00
 lastUpdated: 2021-01-04T13:04:15+02:00
 ---
 
-Measures the number of times a function is executed per second (`hz`/`hertz`).
+Measures the number of times a function is executed per second (hz/hertz).
 
 - Use `performance.now()` to get the difference in milliseconds before and after the iteration loop to calculate the time elapsed executing the function `iterations` times.
 - Return the number of cycles per second by converting milliseconds to seconds and dividing it by the time elapsed.
diff --git a/snippets/initializeArrayWithRangeRight.md b/snippets/initializeArrayWithRangeRight.md
index 33ffd5ed1..f29dd5cbd 100644
--- a/snippets/initializeArrayWithRangeRight.md
+++ b/snippets/initializeArrayWithRangeRight.md
@@ -7,7 +7,8 @@ lastUpdated: 2020-10-20T23:02:01+03:00
 
 Initializes an array containing the numbers in the specified range (in reverse) where `start` and `end` are inclusive with their common difference `step`.
 
-- Use `Array.from(Math.ceil((end+1-start)/step))` to create an array of the desired length(the amounts of elements is equal to `(end-start)/step` or `(end+1-start)/step` for inclusive end), `Array.prototype.map()` to fill with the desired values in a range.
+- Use `Array.from()` to create an array of the desired length, `(end - start + 1)/step`.
+- Use `Array.prototype.map()` to fill the array with the desired values in the given range.
 - Omit the second argument, `start`, to use a default value of `0`.
 - Omit the last argument, `step`, to use a default value of `1`.
 
diff --git a/snippets/readFileLines.md b/snippets/readFileLines.md
index 3515f7d9e..29f328fca 100644
--- a/snippets/readFileLines.md
+++ b/snippets/readFileLines.md
@@ -8,8 +8,8 @@ lastUpdated: 2020-10-22T20:24:04+03:00
 Returns an array of lines from the specified file.
 
 - Use `fs.readFileSync()` to create a `Buffer` from a file.
-- Convert buffer to string using `buf.toString(encoding)` function.
-- Use `String.prototype.split(\n)` to create an array of lines from the contents of the file.
+- Convert buffer to string using `Buffer.toString(encoding)` function.
+- Use `String.prototype.split('\n')` to create an array of lines from the contents of the file.
 
 ```js
 const fs = require('fs');
diff --git a/snippets/replaceLast.md b/snippets/replaceLast.md
index e387a2fa0..37aa9d3fa 100644
--- a/snippets/replaceLast.md
+++ b/snippets/replaceLast.md
@@ -9,7 +9,7 @@ Replaces the last occurence of a pattern in a string.
 
 - Use `typeof` to determine if `pattern` is a string or a regular expression.
 - If the `pattern` is a string, use it as the `match`.
-- Otherwise, use the `RegeExp` constructor to create a new regular expression using the `RegExp.source` of the `pattern` and adding the `'g'` flag to it. Use `String.prototype.match()` and `Array.prototype.slice()` to get the last match, if any.
+- Otherwise, use the `RegeExp` constructor to create a new regular expression using the `RegExp.prototype.source` of the `pattern` and adding the `'g'` flag to it. Use `String.prototype.match()` and `Array.prototype.slice()` to get the last match, if any.
 - Use `String.prototype.lastIndexOf()` to find the last occurence of the match in the string.
 - If a match is found, use `String.prototype.slice()` and a template literal to replace the matching substring with the given `replacement`.
 - If no match is found, return the original string.
diff --git a/snippets/size.md b/snippets/size.md
index 4f9db344b..d0050561d 100644
--- a/snippets/size.md
+++ b/snippets/size.md
@@ -11,7 +11,7 @@ Gets the size of an array, object or string.
 - Use `Array.prototype.length` property for arrays.
 - Use `length` or `size` value if available or number of keys for objects.
 - Use `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API/Blob) created from `val` for strings.
-- Split strings into array of characters with `split('')` and return its length.
+- Split strings into array of characters with `String.prototype.split('')` and return its length.
 
 ```js
 
diff --git a/snippets/timeTaken.md b/snippets/timeTaken.md
index d6ad997d8..f5b934153 100644
--- a/snippets/timeTaken.md
+++ b/snippets/timeTaken.md
@@ -7,7 +7,7 @@ lastUpdated: 2020-10-22T20:24:30+03:00
 
 Measures the time it takes for a function to execute.
 
-- Use `Console.time()` and `Console.timeEnd()` to measure the difference between the start and end times to determine how long the callback took to execute.
+- Use `console.time()` and `console.timeEnd()` to measure the difference between the start and end times to determine how long the callback took to execute.
 
 ```js
 const timeTaken = callback => {
diff --git a/snippets/toISOStringWithTimezone.md b/snippets/toISOStringWithTimezone.md
index 1e651178b..c270355f2 100644
--- a/snippets/toISOStringWithTimezone.md
+++ b/snippets/toISOStringWithTimezone.md
@@ -8,7 +8,7 @@ lastUpdated: 2021-10-13T19:29:39+02:00
 Converts a date to extended ISO format (ISO 8601), including timezone offset.
 
 - Use `Date.prototype.getTimezoneOffset()` to get the timezone offset and reverse it. Store its sign in `diff`.
-- Define a helper function, `pad`, that normalizes any passed number to an integer using `Math.floor()` and `Math.abs()` and pads it to `2` digits, using `String.prototype.padStart()`.
+- Define a helper function, `pad()`, that normalizes any passed number to an integer using `Math.floor()` and `Math.abs()` and pads it to `2` digits, using `String.prototype.padStart()`.
 - Use `pad()` and the built-in methods in the `Date` prototype to build the ISO 8601 string with timezone offset.
 
 ```js
diff --git a/snippets/yesNo.md b/snippets/yesNo.md
index be45dab6b..95372f2e6 100644
--- a/snippets/yesNo.md
+++ b/snippets/yesNo.md
@@ -6,10 +6,10 @@ firstSeen: 2017-12-30T18:35:54+02:00
 lastUpdated: 2021-01-04T13:04:15+02:00
 ---
 
-Returns `true` if the string is `y`/`yes` or `false` if the string is `n`/`no`.
+Returns `true` if the string is `'y'`/`'yes'` or `false` if the string is `'n'`/`'no'`.
 
-- Use `RegExp.prototype.test()` to check if the string evaluates to `y/yes` or `n/no`.
-- Omit the second argument, `def` to set the default answer as `no`.
+- Use `RegExp.prototype.test()` to check if the string evaluates to `'y'`/`'yes'` or `'n'`/`'no'`.
+- Omit the second argument, `def` to set the default answer as `'no'`.
 
 ```js
 const yesNo = (val, def = false) =>