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Run results for:
forEach vs reduce
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:150.0) Gecko/20100101 Firefox/150.0
Browser:
Firefox 150
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
4 months ago
Benchmark engine:
Benchmark.js
forEach
643K/s
reduce
289K/s
reduce spread
80K/s
View exact numbers
Test name
Executions per second
✓
forEach
643,287 Ops/sec
reduce
288,903 Ops/sec
reduce spread
80,391 Ops/sec
Script Preparation code:
var a = Array.from({length:100},()=>Math.random()); var b = [];
Tests:
forEach
a.forEach(e=>{if (e>0.5) b.push(e)});
reduce
b = a.reduce((a,c)=>c>0.5?a.concat(c):a,[])
reduce spread
b = a.reduce((a,c)=>c>0.5?[...a,c]:a,[])