The find() method returns the value of the first element in the array that satisfies the provided testing function. Otherwise undefined is returned.
1. Download Latest version or install with bower
bower install array.find
2. Include polyfill on your web-page
<script src="dist/array-find-polyfill.min.js"></script>
3. Use as native method
["apple", "banana", "peach"].find(function(item) {
return item === "banana";
});
// "banana"
Testing in Chrome 61.0.3163 / Mac OS X 10.13.0
Native 400,642 Ops/sec
Polyfill 2,240,624 Ops/sec
See https://jsperf.com/array-prototype-find-polyfill
Specification on "Ecma International"
MDN examples
Code and documentation copyright 2017 Vladimir Belov. Code released under the MIT license.