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Run results for:
map vs forEach Chris v2b
performance test map vs forEach
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<iframe src="https://measurethat.net/Embed?id=614458" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
map
203.5 Ops/sec
forEach
600.7 Ops/sec
Script Preparation code:
var largeArray = Array(1000000).fill('x');
Tests:
map
largeArray.map( (value) => { value+'y' });
forEach
largeArray.forEach((value) => { value +'y';});