Run results for: JS: insertBefore vs appendChild

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

appendChild

9K/s

append

7K/s

View exact numbers

Test name	Executions per second
✓ appendChild	8,896 Ops/sec
append	7,472 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests: