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Run results for:
Concat v Spread v Push
Compare the new ES6 spread operator with the traditional concat() method
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<iframe src="https://measurethat.net/Embed?id=530958" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.5.1
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
Concat
41786024.0 Ops/sec
Spread
366000736.0 Ops/sec
Push
40584416.0 Ops/sec
Tests:
Concat
let params = [ "hello", true, 7 ]; let other = [ 1, 2 ].concat(params);
Spread
let params = [ "hello", true, 7 ] let other = [ 1, 2, ...params ]
Push
let params = ["hello", true] let other = [1, 2] params.push.apply(other)