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Run results for:
insertAdjacentElement() vs append() vs appendChild()
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36
Browser:
Chrome 139
Operating system:
Linux
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
insertAdjacentElement()
2183283.8 Ops/sec
append()
2015640.2 Ops/sec
appendChild()
2931746.2 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
/*your preparation JavaScript code goes here To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/ async function globalMeasureThatScriptPrepareFunction() { // This function is optional, feel free to remove it. // await someThing(); }
Tests:
insertAdjacentElement()
const base = document.createElement('div'); const child = document.createElement('span'); base.insertAdjacentElement('beforeend', child);
append()
const base = document.createElement('div'); const child = document.createElement('span'); base.append(child);
appendChild()
const base = document.createElement('div'); const child = document.createElement('span'); base.appendChild(child);