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Run results for:
Set constructor from array.map vs array.forEach(.add)
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Edg/142.0.0.0
Browser:
Chrome 142
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
new Set
29.9 Ops/sec
.add
30.5 Ops/sec
Script Preparation code:
let sourceArray = [] for(let i=1; i<1000000; i++) { sourceArray.push(i) }
Tests:
new Set
const setObject = new Set(sourceArray.map(x => x))
.add
const setObject = new Set() sourceArray.forEach(x => setObject.add(x))