Run results for: getElementById vs querySelector again

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Browser: Chrome 83

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
getElementById	583.7 Ops/sec
querySelector	36.1 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)