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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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Browser:
Chrome 127
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
insertBefore
4.3M/s
appendChild
4.3M/s
insertAdjacentElement
4.2M/s
prepend
3.8M/s
View exact numbers
Test name
Executions per second
✓
insertBefore
4,338,365 Ops/sec
appendChild
4,298,850 Ops/sec
insertAdjacentElement
4,157,728 Ops/sec
prepend
3,773,276 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);