Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

isArray

2.4M/s

Instanceof

2.4M/s

View exact numbers

Test name	Executions per second
✓ isArray	2,382,440 Ops/sec
Instanceof	2,379,003 Ops/sec

Script Preparation code:

var test = [1,2,3,4];
var c;

Tests: