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Run results for:
JS: insertBefore vs append vs prepend
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Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0
Browser:
Firefox 146
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
3 months ago
Test name
Executions per second
insertBefore
5110.6 Ops/sec
append
6283.2 Ops/sec
prepend
4589.3 Ops/sec
HTML Preparation code:
<div id="container"></div>
Script Preparation code:
var container = document.getElementById("container"); var paragraphs = new Array( 100 ).fill( 'p' );
Tests:
insertBefore
paragraphs.forEach( p => container.insertBefore( document.createElement( p ), null ) );
append
container.append( ...paragraphs.map( p => document.createElement( p ) ) );
prepend
paragraphs.forEach( p => container.prepend( document.createElement( p ) ) );