Run results for: Compare !array.length vs array.length === 0

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

!array.length

503K/s

arr.length === 0

502K/s

View exact numbers

Test name	Executions per second
✓ !array.length	503,390 Ops/sec
arr.length === 0	501,810 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); }