Benchmark: getElementById pre-buffered vs direct

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;

Rendered benchmark preparation results:

Previous results

Test case name	Result
getElementById buffered
getElementById unbuffered

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Latest run results:

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

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

Browser/OS: Firefox 108 on Windows

Test name	Executions per second
getElementById buffered	2564278000.0 Ops/sec
getElementById unbuffered	9277905.0 Ops/sec

getElementById pre-buffered vs direct (version: 0)