Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Fastest way to check if object is empty (for in vs.
You don't need to make add for loops in your test scenarios, the benchmark does it itself.
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=602765" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
for in
60.2M/s
object.keys()
55.8M/s
View exact numbers
Test name
Executions per second
✓
for in
60,245,312 Ops/sec
object.keys()
55,770,272 Ops/sec
Script Preparation code:
var xxx = Math.random() > 0.5 ? {foo: 'bar', hello: 'world'} : {}
Tests:
object.keys()
return Object.keys(xxx) === 0
for in
for (let key in xxx) { if (xxx.hasOwnProperty(key)) return false; } return true;