Copyright 2025

The Valley of Code

A Flavio Copes project

The String padStart() method
Find out all about the JavaScript padStart() method of a string

The purpose of string padding is to add characters to a string, so it reaches a specific length.

padStart() can be used to add characters at the beginning of a string.

padStart(targetLength [, padString])

Sample usage:

padStart()
‘test’.padStart(4)‘test'
'test’.padStart(5)’ test'
'test’.padStart(8)’    test'
'test’.padStart(8, ‘abcd’)‘abcdtest’

Also see padEnd().


Want to master TypeScript? Check out my TypeScript Masterclass

Join my AI Workshop !

The Web Development BOOTCAMP cohort starts in February 2026