Benchmark: jQuery.each() vs Array.prototype.forEach() vs _.each()

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>

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

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

Memory measurements supported only in Chrome.
For precise memory measurements Chrome must be launched with --enable-precise-memory-info flag.
More information: Monitoring JavaScript Memory

Test case name	Result
jQuery.each
Array.prototype.forEach
traditional for loop
underscore each

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

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/OS: Safari 17 on Mac OS X 10.15.7

View result in a separate tab

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

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

I'll do my best to extract the relevant information from the provided JSON data.

Benchmark Results

The benchmark results are stored in an array with four elements, each representing a test case:

jQuery.each
- Execution time: 591696.5 seconds per second
Array.prototype.forEach
- Execution time: 1046760.25 seconds per second
underscore each
- Execution time: 1258059.875 seconds per second
traditional for loop
- Execution time: 27663.837890625 seconds per second

Browser Information

The browser information is stored in a single element with the following details:

Browser: Safari 17
DevicePlatform: Desktop
OperatingSystem: Mac OS X 10.15.7
Raw UA String: 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

Let me know if you'd like me to help with anything else!

LLMs can make mistakes. Check important info.

Related benchmarks:

jQuery.each() vs Array.prototype.forEach() vs _.each() (version: 0)

Comparing performance of: jQuery.each vs Array.prototype.forEach vs traditional for loop vs underscore each

Created: 3 years ago by: Guest

Jump to the latest result

jQuery.each

Array.prototype.forEach

traditional for loop

underscore each

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):