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Run results for:
map vs foreach generating array
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<iframe src="https://measurethat.net/Embed?id=596378" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0
Browser:
Firefox 136
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
forEach
11177246.0 Ops/sec
map
9339928.0 Ops/sec
Script Preparation code:
var array = new Array(100);
Tests:
forEach
const result = []; array.forEach(function(i) { result.push(i); });
map
const result = array.map(function(i) { return array[i]; });