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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
jQuery.each	591696.5 Ops/sec
Array.prototype.forEach	1046760.2 Ops/sec
traditional for loop	27663.8 Ops/sec
underscore each	1258059.9 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js'></script>

Script Preparation code:

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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]; }
underscore each
var temp; _.each(arr, item => temp = item)

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

jQuery.each

Array.prototype.forEach

traditional for loop

underscore each