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Run results for:
Array.prototype.slice vs spread operator
Compare the new ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=557529" 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/129.0.0.0 Safari/537.36 Edg/129.0.0.0
Browser:
Chrome 129
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
spread operator
20.1M/s
Array.prototype.slice
12.3M/s
View exact numbers
Test name
Executions per second
✓
spread operator
20,140,364 Ops/sec
Array.prototype.slice
12,331,211 Ops/sec
Tests:
Array.prototype.slice
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].slice();
spread operator
var params = [ "hello", true, 7 ] var other = [ ...params ]