Run results for: dropWhile comparison

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser: Chrome 106

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Function 1	603339.6 Ops/sec
Function 2	597686.5 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var first = [...Array(100)].map(it => ~~(Math.random() * 1000));
var second = [...Array(20)].map(it => ~~(Math.random() * 1000));

Tests:

Function 1
function dropWhile(arr, pred) { for (var i = 0; i < arr.length && pred(arr[i]); ++i) ; return arr.slice(i) } dropWhile(first, x => !second.includes(x))
Function 2
function dropWhile(array, cb) { const n = array.length; let i = 0; for (; i < n; i++) { if (!cb(array[i])) { break; } } return array.slice(i); } dropWhile(first, x => !second.includes(x))