foreach vs for const objects
Date tested:
2 months ago
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Test name
Executions per second
obj.values foreach
47.2 Ops/sec
for const
48.3 Ops/sec
Benchmark definition (click to collapse):
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
const data = {}; for (let i = 0; i < 10000; i++) { data[i] = { data: String.fromCharCode(97 + i), value: Math.floor(Math.random() * 100), isActive: Math.random() > 0.5 }; }
Tests:
obj.values foreach
const allValues = Object.values(data); allValues.forEach((num) => { console.log(num.data); });
for const
for (const key in data) { const value = data[key]; console.log(value.data); }
Open this result on MeasureThat.net