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.
Mask a value
Replaces all but the last
numof characters with the specified mask character.JavaScript, String · Oct 21, 2020
Serialize cookie
Serializes a cookie name-value pair into a Set-Cookie header string.
JavaScript, Browser · Oct 22, 2020
What is the difference between an expression and a statement in JavaScript?
JavaScript distinguishes expressions and statements. Learn their differences in this short article.
JavaScript, Type · Nov 7, 2021
What is the difference between prefix and postfix operators?
While both the prefix and postfix operators increment a value, the resulting value of the expression is very different.
JavaScript, Math · Oct 31, 2021
Are JavaScript strings immutable?
When it comes to immutability, many developers have trouble wrapping their head around JavaScript strings. Yet they're not as complicated as you might expect.
JavaScript, String · Oct 10, 2021
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
Tip: Convert decimal number to hexadecimal
Ever needed to convert a decimal number to hexadecimal? Here's a quick and easy way to do it.
JavaScript, Math · Sep 21, 2022
Decode Base64 encoded string
Decodes a string of data which has been encoded using base-64 encoding.
JavaScript, Node · Sep 15, 2020
Binomial coefficient
Calculates the number of ways to choose
kitems fromnitems without repetition and without order.JavaScript, Math · Dec 28, 2020
Call or return
Calls the argument if it's a function, otherwise returns it.
JavaScript, Function · Apr 4, 2022
Check property
Creates a function that will invoke a predicate function for the specified property on a given object.
JavaScript, Function · Nov 1, 2020
