JavaScript Snippets
The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.
Random boolean value
JavaScript, Math
Generates a random boolean value.
Shallow clone object
JavaScript, Object
Creates a shallow clone of an object.
Unary function arity
JavaScript, Function
Creates a function that accepts up to one argument, ignoring any additional arguments.
Check if bottom of page is visible
JavaScript, Browser
Checks if the bottom of the page is visible.
Create directory if not exists
JavaScript, Node
Creates a directory, if it does not exist.
Value is boolean
JavaScript, Type
Checks if the given argument is a native boolean element.
Value is number
JavaScript, Type
Checks if the given argument is a number.
Logarithm in specific base
JavaScript, Math
Calculates the logarithm of the given number in the given base.
Uncached module require
JavaScript, Node
Loads a module after removing it from the cache (if exists).
Sum of numbers until n
JavaScript, Math
Sums all the numbers between
1andn.Element is focused
JavaScript, Browser
Checks if the given element is focused.
Check if browser tab is focused
JavaScript, Browser
Checks if the browser tab of the page is focused.
Value is symbol
JavaScript, Type
Checks if the given argument is a symbol.
Approximately number equality
JavaScript, Math
Checks if two numbers are approximately equal to each other.
Degrees to radians
JavaScript, Math
Converts an angle from degrees to radians.