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Run results for:
Array loop vs foreach vs map with large array
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Run details:
User agent:
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 Waterfox/56.6.2022.01
Browser:
Firefox 68
Operating system:
Windows 7
Device Platform:
Desktop
Date tested:
5 months ago
Test name
Executions per second
foreach
1492.9 Ops/sec
for
72.5 Ops/sec
map
70.0 Ops/sec
Script Preparation code:
var arr = []; for (var i = 0; i < 1000000; i++) { arr[i] = i; } function someFn(i) { return i * 3 * 8; }
Tests:
foreach
arr.forEach(someFn)
for
for (var i = 0, len = arr.length; i < len; i++) { someFn(arr[i]); }
map
arr.map(someFn)