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: 3 months ago

Test name	Executions per second
Adding and removing event listeners	2320927.0 Ops/sec
Null	118872168.0 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
null