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Run results for:
JS: insertBefore vs appendChild vs prepend vs insertAdjacentElement
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Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.2.1
Device Platform:
Mobile
Date tested:
2 years ago
insertBefore
6.3M/s
appendChild
6.2M/s
insertAdjacentElement
5.7M/s
prepend
5.0M/s
View exact numbers
Test name
Executions per second
✓
insertBefore
6,287,195 Ops/sec
appendChild
6,191,110 Ops/sec
insertAdjacentElement
5,682,074 Ops/sec
prepend
5,019,559 Ops/sec
HTML Preparation code:
<div id="container"></div>
Script Preparation code:
var container = document.getElementById("container"); var paragraph = document.createElement("p");
Tests:
insertBefore
container.insertBefore(paragraph, null);
appendChild
container.appendChild(paragraph);
prepend
container.prepend(paragraph);
insertAdjacentElement
container.insertAdjacentElement('afterbegin', paragraph);