Series

JavaScript String Methods

In this beginner-oriented series, I'll cover and give examples of the most common JavaScript String methods. Every article will also include links to relevant exercises!

Articles in this series

toUpperCase() and toLowerCase()

May 14, 20221 min read

Part 0 of the Series · On Strings Strings hold data in text form. They have a length property, and you can use + and += to easily concatenate them: let...

toUpperCase() and toLowerCase()

split(), join(), and a separator between them

May 15, 20224 min read

Ok, so join() isn't a String method but they look so good together! · Split Split() takes in a separator and an optional limit as parameters. The string...

split(), join(), and a separator between them

A slice() of substring(), please, with substr() on the side.

May 17, 20224 min read

substr(), pal... we need to talk. · Slice Slice() will copy part of a string into a new one, without changing the original. It takes two parameters: an...

A slice() of substring(), please, with substr() on the side.

A little on charAt(), charCodeAt(), fromCharCode(), and at()

May 22, 20226 min read

Spoiler alert: JavaScript has a Unicode problem. · charAt The charAt() String object takes an optional index parameter and will return the character...

A little on charAt(), charCodeAt(), fromCharCode(), and at()

concat() and repeat()

Jun 1, 20222 min read

(insert echoing "repeat" here) · Concat concat() will take N strings as parameters, combine them, and return the combined text. It works pretty much like...

concat() and repeat()

search() and includes(), because what's life without a little RegExp

Jun 6, 20223 min read

search() and includes() for RegExp-related fun and joy, respectively. One of them doesn't accept RegExp as a parameter. · A short RegExp intro A regular...

search() and includes(), because what's life without a little RegExp