Run results for: getElementById VS querySelector (simple comparison)

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; LG-M700 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36

Browser: Chrome Mobile 99

Operating system: Android 8.1.0

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
The method getElementById()	275569.6 Ops/sec
The method querySelector()	165227.6 Ops/sec

HTML Preparation code:

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

Tests:

The method getElementById()
document.getElementById("example");
The method querySelector()
document.querySelector("#example");

Run results for: getElementById VS querySelector (simple comparison)

A simple comparison of performance between these two methods. (Medium, @benlmsc)

The method getElementById()

The method querySelector()