Update - 27 October 2021 (Chrome 97+)
Proposal for Array.prototype.findLast is now on Stage 3!
Here's how you can use it:
const array = [1, 2, 3, 4, 5];
const last_element = array.findLast((item) => true);
console.log(last_element);
You can read more in this V8 blog post.
You can find more in "New in Chrome" series.