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().


Download my free JavaScript Beginner's Handbook!


Check out my in-depth, practical Web Development Courses!

(all 50% off with the coupon code POSITIVEVIBRATIONS)

⤴️⤴️⤴️

And signup to my upcoming JavaScript Bootcamp!

⤴️⤴️⤴️