Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Compare !array.length vs array.length === 0
Compare both ways of test an empty array
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=516138" 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/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
!array.length
503390.5 Ops/sec
arr.length === 0
501810.5 Ops/sec
Script Preparation code:
var arr = [];
Tests:
!array.length
if (!arr.length) { console.log(1); } else { console.log(0); }
arr.length === 0
if (arr.length === 0) { console.log(1); } else { console.log(0); }