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Run results for:
reduce spread operator vs flat
Compare the new ES6 spread operator with the traditional concat() method
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<iframe src="https://measurethat.net/Embed?id=628584" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0
Browser:
Chrome 147
Operating system:
Windows
Device Platform:
Desktop
Date tested:
4 months ago
Benchmark engine:
Benchmark.js
spread operator
19.0M/s
Array.prototype.flat
9.0M/s
View exact numbers
Test name
Executions per second
✓
spread operator
18,956,272 Ops/sec
Array.prototype.flat
9,043,279 Ops/sec
Tests:
spread operator
var params = [[ "hello", true, 7 ],[ "hello", true, 7 ]] var other = params.reduce((acc,curr)=>{return [...acc, ...curr]},[]);
Array.prototype.flat
var params = [[ "hello", true, 7 ],[ "hello", true, 7 ]] var other = params.flat()