Run results for: JS: append vs appendChild multiple elements

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

appendChild

6K/s

append

4K/s

View exact numbers

Test name	Executions per second
✓ appendChild	6,206 Ops/sec
append	4,090 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var container = document.getElementById("container");
var paragraph = document.createElement("p");
var paragraph1 = document.createElement("p");
var paragraph2 = document.createElement("p");
var paragraph3 = document.createElement("p");

Tests:

append
container.append(paragraph,paragraph1,paragraph2,paragraph3);
appendChild
container.appendChild(paragraph); container.appendChild(paragraph1); container.appendChild(paragraph2); container.appendChild(paragraph3);