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/81.0.4044.129 Safari/537.36 OPR/68.0.3618.63

Browser: Opera 68

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Instanceof	1550298.8 Ops/sec
isArray	1548779.6 Ops/sec

Script Preparation code:

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

Tests: