Run results for: getElementById pre-buffered vs direct

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

Browser: Firefox 108

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
getElementById buffered	2564278016.0 Ops/sec
getElementById unbuffered	9277905.0 Ops/sec

HTML Preparation code:

<div id="testElement"></div>

Script Preparation code:

var testEl = document.getElementById('testElement');

Tests:

getElementById buffered
var el = testEl; var className = el.className;
getElementById unbuffered
var el = document.getElementById('testElement'); var className = el.className;