Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0

Browser: Firefox 86

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Instanceof	26130400.0 Ops/sec
isArray	24223350.0 Ops/sec

Script Preparation code:

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

Tests: