Skip to content

The String lastIndexOf() method

Find out all about the JavaScript lastIndexOf() method of a string

Gives the position of the last occurrence of the string passed as parameter in the current string.

Returns -1 if the search string is not found.

'JavaScript is a great language. Yes I mean JavaScript'.lastIndexOf('Script') //47
'JavaScript'.lastIndexOf('C++') //-1

Also see indexOf().


→ Here's my latest YouTube video

→ Get my JavaScript Beginner's Handbook

→ I wrote 17 books to help you become a better developer, download them all at $0 cost by joining my newsletter

JOIN MY CODING BOOTCAMP, an amazing cohort course that will be a huge step up in your coding career - covering React, Next.js - next edition February 2025

Bootcamp 2025

Join the waiting list