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Run results for:
Array spread (left) vs push
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=569826" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.concat
140.1M/s
spread operator
22.9M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.concat
140,144,560 Ops/sec
spread operator
22,871,486 Ops/sec
Tests:
Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = params.push(1);
spread operator
var params = [ "hello", true, 7 ] var other = [...params, 1]