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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

array.length === 0

283K/s

array.length

255K/s

View exact numbers

Test name	Executions per second
✓ array.length === 0	283,451 Ops/sec
array.length	255,099 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); }