Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36 OPR/73.0.3856.344

Browser: Opera 73

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Instanceof	1115422.4 Ops/sec
isArray	1110311.8 Ops/sec

Script Preparation code:

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

Tests: