Run results for: jQuery $.each() vs Array.prototype.forEach()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Array.prototype.forEach

8.9M/s

jQuery.each

2.2M/s

traditional for loop

292K/s

View exact numbers

Test name	Executions per second
✓ Array.prototype.forEach	8,862,406 Ops/sec
jQuery.each	2,186,992 Ops/sec
traditional for loop	291,744 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Script Preparation code:

var arr = ['torus', 'gospel', 'bacon', 'moist', 'lodge', 'flip', 'ev', 'usual', 'glans', 'lanka', 'ames', 'stoic', 'weco', 'buff', 'naacp', 'mercy', 'stork', 'rq', 'mace', '37', 'rung', 'shod', 'snap', 'pr', 'horus', 'lane', 'safe', 'tie', 'yeasty', 'topple', 'grist', 'coed', 'sled', 'bosom', 'packet', 'xn', 'bunch', 'rowdy', 'jo', 'prone', 'styli', 'warmth', 'jimmy', 'launch', 'aspire', 'roil', 'ohm', 'doff', 'slice', 'dream', 'roger', 'theme', 'lz', 'minus', 'lusty', '35th', 'acuity', 'eli', 'spool', 'pivot'];

Tests:

jQuery.each
var temp; $.each(arr, function(index, item) { temp = item; });
Array.prototype.forEach
var temp; arr.forEach(function(item) { temp = item; });
traditional for loop
var temp; for (var i = 0, len = arr.length; i !== len; ++i) { temp = arr[i]; }