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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=509610" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0
Browser:
Firefox 123
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Array.prototype.slice
44.4M/s
spread operator
24.7M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
44,423,524 Ops/sec
spread operator
24,652,706 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 ]