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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=614556" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.slice
51.2M/s
spread operator
29.8M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
51,152,104 Ops/sec
spread operator
29,804,868 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 ]