Benchmark: test123 - MeasureThat.net

HTML Preparation code:

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

Script Preparation code:

div.innerHTML = Array(10000).fill(0).map((el, i) => `<div id="id${i}" class="test${i}"></div>`)

Tests:

getElementById
Array(10000).fill(0).map((el, i) => document.getElementById(`id${i}`).className)
querySelector
Array(10000).fill(0).map((el, i) => document.querySelector(`#id${i}`).className)

Rendered benchmark preparation results:

Previous results

Test case name	Result
getElementById
querySelector

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 YaBrowser/24.10.0.0 Safari/537.36

Browser/OS: Yandex Browser 24 on Windows

getElementById

152/s

querySelector

1/s

View exact numbers

Test name	Executions per second
✓ getElementById	152 Ops/sec
querySelector	1 Ops/sec

test123 (version: 1)