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Run results for:
Array.prototype.slice vs spread operator large arrays
Compare the new ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=599379" 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/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.slice large
4K/s
spread operator large
4K/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice large
3,606 Ops/sec
spread operator large
3,587 Ops/sec
Tests:
Array.prototype.slice large
var params = Array.from({length: 10000}, () => 1) var other = params.slice();
spread operator large
var params = Array.from({length: 10000}, () => 1) var other = [ ...params ]