Array loop vs foreach vs map -2
Date tested:
4 years ago
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
Test name
Executions per second
foreach
81311.5 Ops/sec
for
7338.3 Ops/sec
map
62900.3 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var arr = []; for (let i = 0; i < 1000; 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)
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