Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Browser: Chrome 83

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Instanceof	2466677.5 Ops/sec
isArray	2573778.5 Ops/sec

Script Preparation code:

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

Tests: