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Run results for:
Array.prototype.slice vs spread operator performance
Compare the new ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=518414" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Chrome OS 14541.0.0
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Array.prototype.slice
7636250.0 Ops/sec
spread operator
6955363.0 Ops/sec
Script Preparation code:
var arr = ["hatsune miku", true, 39];
Tests:
Array.prototype.slice
var other = arr.slice();
spread operator
var other = [...arr];