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Run results for:
concatenating 2 arrays 2
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Browser:
Chrome 136
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
push apply
26282192.0 Ops/sec
push spread
36578632.0 Ops/sec
concat
9724731.0 Ops/sec
for push
29305446.0 Ops/sec
for of push
29600686.0 Ops/sec
forEach push
32624712.0 Ops/sec
Tests:
push apply
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] Array.prototype.push.apply(arr2, arr)
push spread
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] arr2.push(...arr)
concat
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] arr2 = arr2.concat(arr)
for push
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] for(var i = 0, len = arr.length; i < len; i++) { arr2.push(arr[i]) }
for of push
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] for(var item of arr) { arr2.push(item) }
forEach push
var arr = [1,2,3,4,5,6,7,8,9,10] var arr2 = [0] arr.forEach(function(item) { arr2.push(item) })