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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 16_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.3 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 16
Operating system:
iOS 16.3.1
Device Platform:
Mobile
Date tested:
one year ago
insertBefore
5.1M/s
appendChild
4.9M/s
insertAdjacentElement
4.4M/s
prepend
4.1M/s
View exact numbers
Test name
Executions per second
✓
insertBefore
5,106,062 Ops/sec
appendChild
4,881,376 Ops/sec
insertAdjacentElement
4,434,918 Ops/sec
prepend
4,084,822 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);