Run results for: Cost of adding and removing events

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Null

118.9M/s

Adding and removing event listeners

2.3M/s

View exact numbers

Test name	Executions per second
✓ Null	118,872,168 Ops/sec
Adding and removing event listeners	2,320,927 Ops/sec

HTML Preparation code:


<div id='element'></div>

Script Preparation code:

const element = document.getElementById('element');

Tests:

Adding and removing event listeners
const callback = () => { console.log('x') } element.addEventListener('click', callback); element.removeEventListener('click', callback);
Null
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