Run results for: JS: insertBefore vs appendChild

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

appendChild

3.3M/s

append

3.2M/s

View exact numbers

Test name	Executions per second
✓ appendChild	3,323,941 Ops/sec
append	3,214,805 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var container = document.getElementById("container");
var paragraph = document.createElement("p");

Tests: