JavaScript Array 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.
Generate items
Generates an array with the given amount of items, using the given function.
JavaScript, Array · Oct 22, 2020
Initialize 2D array
Initializes a 2D array of given width and height and value.
JavaScript, Array · Oct 20, 2020
Array intersection
Returns the elements that exist in both arrays, filtering duplicate values.
JavaScript, Array · Oct 20, 2020
Insertion index in sorted array
Finds the lowest index at which a value should be inserted into an array in order to maintain its sorting order.
JavaScript, Array · Oct 22, 2020
Filter out matching array elements
Filters out the elements of an array that have one of the specified values.
JavaScript, Array · Oct 22, 2020
Last insertion index in sorted array
Finds the highest index at which a value should be inserted into an array in order to maintain its sort order.
JavaScript, Array · Oct 22, 2020
Convert function to variadic
Changes a function that accepts an array into a variadic function.
JavaScript, Function · Jun 13, 2021
Check if array has duplicates
Checks if there are duplicate values in a flat array.
JavaScript, Array · Oct 22, 2020
Check if two arrays intersect
Determines if two arrays have a common item.
JavaScript, Array · Feb 17, 2023
