Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

isArray

13.5M/s

Instanceof

13.1M/s

View exact numbers

Test name	Executions per second
✓ isArray	13,504,676 Ops/sec
Instanceof	13,104,376 Ops/sec

Script Preparation code:

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

Tests: