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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

array.length

150K/s

array.length === 0

141K/s

View exact numbers

Test name	Executions per second
✓ array.length	150,480 Ops/sec
array.length === 0	141,167 Ops/sec

Script Preparation code:

var arr = [];

Tests:

array.length
if (arr.length) { console.log(1); } else { console.log(0); }
array.length === 0
if (arr.length === 0) { console.log(1); } else { console.log(0); }