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.
Serialize cookie
Serializes a cookie name-value pair into a Set-Cookie header string.
JavaScript, Browser · Oct 22, 2020
Are JavaScript strings immutable?
When it comes to immutability, JavaScript strings are often a source of confusion. Yet they're not as complicated as you might expect.
JavaScript, String · Oct 10, 2021
Remove array elements from the end
Creates an array with
nelements removed from the end.JavaScript, Array · Oct 22, 2020
Remove array elements
Creates an array with
nelements removed from the beginning.JavaScript, Array · Oct 22, 2020
Truncate string at whitespace
Truncates a string up to specified length, respecting whitespace when possible.
JavaScript, String · Oct 21, 2020
Unary function arity
Creates a function that accepts up to one argument, ignoring any additional arguments.
JavaScript, Function · Oct 22, 2020
What is the only value not equal to itself in JavaScript?
Did you know there's a JavaScript value that's not equal to itself?
JavaScript, Type · Dec 12, 2021
Detect device type
Detects whether the page is being viewed on a mobile device or a desktop.
JavaScript, Browser · Oct 22, 2020
How can I detect an undefined object property in JavaScript?
Learn how to detect
undefinedobject properties in JavaScript the correct way.JavaScript, Object · Aug 7, 2022
