Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
null vs. hasOwnProperty
Object lookup performance
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=555030" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
exist null
14941421.0 Ops/sec
exist hasOwnProperty
13621531.0 Ops/sec
nonexist null
15184978.0 Ops/sec
nonexist hasOwnProperty
13137672.0 Ops/sec
Script Preparation code:
var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };
Tests:
exist null
obj.d != null;
exist hasOwnProperty
obj.hasOwnProperty( 'd' );
nonexist null
obj.f != null;
nonexist hasOwnProperty
obj.hasOwnProperty( 'f' );