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Run results for:
Array.prototype.concat vs push apply vs spread operator
Compare the new ES6 spread operator with the concat and apply method
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=614500" 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/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Using arr1.push.apply
38.8M/s
Using push spread operator
38.1M/s
Using prototype.push.apply
34.5M/s
Using spread operator
28.7M/s
Using concat
13.4M/s
View exact numbers
Test name
Executions per second
✓
Using arr1.push.apply
38,837,304 Ops/sec
Using push spread operator
38,052,888 Ops/sec
Using prototype.push.apply
34,477,092 Ops/sec
Using spread operator
28,727,492 Ops/sec
Using concat
13,379,905 Ops/sec
Tests:
Using concat
const arr1 = ["test", true ,"concat", 791, "push"] const arr2 = [false, "es", 6, "spread operator", "measurethat.net"] const newArr = arr2.concat(arr1);
Using prototype.push.apply
const arr1 = ["test", true ,"concat", 791, "push"] const arr2 = [false, "es", 6, "spread operator", "measurethat.net"] Array.prototype.push.apply(arr1, arr2);
Using arr1.push.apply
const arr1 = ["test", true ,"concat", 791, "push"] const arr2 = [false, "es", 6, "spread operator", "measurethat.net"] arr1.push.apply(arr1, arr2);
Using push spread operator
const arr1 = ["test", true ,"concat", 791, "push"] const arr2 = [false, "es", 6, "spread operator", "measurethat.net"] arr1.push(...arr2)
Using spread operator
const arr1 = ["test", true ,"concat", 791, "push"] const arr2 = [false, "es", 6, "spread operator", "measurethat.net"] const newArr = [...arr1, ...arr2]