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Add `Array.prototype.findLast` and `Array.prototype.findLastIndex`

See original GitHub issue

lib Update Request

Configuration Check

My compilation target is ES5 and my lib is ESNext.

Missing / Incorrect Definition

Missing Array.prototype.findLast and Array.prototype.findLastIndex

Sample Code

[3, 2, 1].findLast(x => x > 2);

Documentation Link

Proposal: https://tc39.es/proposal-array-find-from-last/ (currently stage 3 4) Can I Use: https://caniuse.com/mdn-javascript_builtins_array_findlast (Chrome and Safari already shipped it without flags)

Issue Analytics

State:
Created a year ago
Reactions:25
Comments:11 (5 by maintainers)

Top GitHub Comments

19reactions

DanielRosenwassercommented, Jun 6, 2022

@fatcerberus, the context is that @Kingwl is contributing the changeset to Firefox.

By the way, we reached Stage 4 today! 🎉🎉🎉

I believe that means we should add this to lib.es2023.array.d.ts.

6reactions

monikamscommented, Oct 12, 2022

With which version of typescript I could use the method findLast?

Top Results From Across the Web

Array.prototype.findLastIndex() - JavaScript - MDN Web Docs

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array.prototype.findlastindex - npm

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