Web platform features explorer - Array findLast() and findLastIndex()

Web platform features explorer

Tags: javascript Groups: JavaScript > Collections > Arrays JavaScript > Collections > Typed arrays

The findLast() and findLastIndex() methods of arrays and typed arrays search an array in reverse order for the first item that satisfies a test function.

Learning resources on MDN

Array.prototype.findLast()

Browser support

Chrome 97 Released on 2022-01-04
Chrome Android 97 Released on 2022-01-04
Edge 97 Released on 2022-01-06
Firefox 104 Released on 2022-08-23
Firefox for Android 104 Released on 2022-08-23
Safari 15.4 Released on 2022-03-14
Safari on iOS 15.4 Released on 2022-03-14

Specifications

ECMAScript® 2025 Language Specification (#sec-array.prototype.findlast), from TC39 (Ecma International).
ECMAScript® 2025 Language Specification (#sec-array.prototype.findlastindex), from TC39 (Ecma International).
ECMAScript® 2025 Language Specification (#sec-%25typedarray%25.prototype.findlast), from TC39 (Ecma International).
ECMAScript® 2025 Language Specification (#sec-%25typedarray%25.prototype.findlastindex), from TC39 (Ecma International).

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