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Run results for:
replaceWith vs replaceChild x100
replace dom
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=628425" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:151.0) Gecko/20100101 Firefox/151.0
Browser:
Firefox 151
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
5 days ago
Test name
Executions per second
replaceWith
9.0 Ops/sec
replaceChild
8.7 Ops/sec
HTML Preparation code:
<html> </html>
Script Preparation code:
parentBox = document.createElement('div'); document.body.appendChild(parentBox);
Tests:
replaceWith
var Iframe1 = []; var Video1 = []; for (var i = 0; i < 100; i++) { Iframe1[i] = document.createElement('iframe'); parentBox.appendChild(Iframe1[i]); Video1[i] = document.createElement('video'); } for (var w = 9; w > -1; w--) { Iframe1[w].replaceWith(Video1[w]); }
replaceChild
var Iframe2 = []; var Video2 = []; for (var i = 0; i < 100; i++) { Iframe2[i] = document.createElement('iframe'); parentBox.appendChild(Iframe2[i]); Video2[i] = document.createElement('video'); } for (var c = 9; c > -1; c--) { parentBox.replaceChild(Video2[c], Iframe2[c]); }