Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.95 Safari/537.36

Browser: Chrome 90

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Instanceof	1097333.9 Ops/sec
isArray	1047278.2 Ops/sec

Script Preparation code:

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

Tests: