For of vs map
Date tested:
4 years ago
User agent:
Mozilla/5.0 (Android 4.4.2; Tablet; rv:68.0) Gecko/68.0 Firefox/68.0
Test name
Executions per second
for of
3.1 Ops/sec
map
3.2 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var arr = []; for (var i = 0; i < 1000; i++) { arr[i] = {i: i, test: "test"}; } function someFn(i) { return i * 3 * 8; }
Tests:
for of
for (const value of arr) { console.log(value.i); }
map
arr.map((item)=>{ console.log(item.i) })
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