Benchmark: addEventListener() vs jQuery.on() with mouseEnter

HTML Preparation code:

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

document.querySelectorAll('div').forEach((e) => {
    e.onmouseenter = '';
});

Tests:

addEventListener
const f = () => { return 123; }; document.querySelectorAll('div').forEach((e) => { e.addEventListener('mouseenter', f); });
addEventListener anon
document.querySelectorAll('div').forEach((e) => { e.addEventListener('mouseenter', () => { return 123; }); });
jQuery.on()
const f = () => { return 123; }; document.querySelectorAll('div').forEach((e) => { jQuery(e).on('mouseenter', f); });
jQuery.on() anon
document.querySelectorAll('div').forEach((e) => { jQuery(e).on('mouseenter', () => { return 123; }); });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
addEventListener
addEventListener anon
jQuery.on()
jQuery.on() anon

Fastest: N/A

Slowest: N/A

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Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/124.0

Browser/OS: Firefox 124 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
addEventListener	522.4 Ops/sec
addEventListener anon	139.1 Ops/sec
jQuery.on()	26408.5 Ops/sec
jQuery.on() anon	12852.1 Ops/sec

addEventListener() vs jQuery.on() with mouseEnter (version: 0)

Comparing performance of: addEventListener vs addEventListener anon vs jQuery.on() vs jQuery.on() anon

Created: 2 years ago by: Registered User

Jump to the latest result

addEventListener

addEventListener anon

jQuery.on()

jQuery.on() anon

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A