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Run results for:
Array.prototype.slice vs spread operator vs map
Compare the new ES6 spread operator with the traditional slice() method and map() method
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<iframe src="https://measurethat.net/Embed?id=485788" 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/118.0.0.0 Safari/537.36 OPR/104.0.0.0
Browser:
Opera 104
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Array.prototype.slice
282154720.0 Ops/sec
spread operator
11099598.0 Ops/sec
map
147456240.0 Ops/sec
Tests:
Array.prototype.slice
var params = [ "hello", true, 7 ]; var other = params.slice();
spread operator
var params = [ "hello", true, 7 ] var other = [ ...params ]
map
var params = [ "hello", true, 7 ] var other = params.map(i => i)