Run results for: getElementById vs querySelector again

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/75.0.3770.90 Chrome/75.0.3770.90 Safari/537.36

Browser: Chromium 75

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
getElementById	2181.6 Ops/sec
querySelector	126.9 Ops/sec

HTML Preparation code:

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

Script Preparation code:

div.innerHTML = Array(1000).fill(0).map((el, i) => `<div id="id${i}" class="test${i}"></div>`)

Tests:

getElementById
Array(1000).fill(0).map((el, i) => document.getElementById(`id${i}`).className)
querySelector
Array(1000).fill(0).map((el, i) => document.querySelector(`#id${i}`).className)