Run results for: getElementById, querySelectorAll

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36 Edg/93.0.961.47

Browser: Chrome 93

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
getElementById	4368869.5 Ops/sec
querySelector	1535827.2 Ops/sec

HTML Preparation code:

<div id="test">Test</div>

AخA
 
<div id="test">Test</div>

Tests:

getElementById
document.getElementById("test");
document.getElementById("test");
querySelector
document.querySelectorAll("#test")
document.querySelectorAll("#test")