For in vs For of
Date tested:
4 months ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Test name
Executions per second
for in
30971.0 Ops/sec
for of
26875.8 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var obj = {a: 1, b: 2, c: 3, d: 4}
Tests:
for in
for (var x in obj) { console.log(x); }
for of
for (var x of Object.keys(obj)) { console.log(x); }
Open this result on MeasureThat.net