Run results for: Array isArray vs instanceof

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

isArray

6.0M/s

Instanceof

5.7M/s

View exact numbers

Test name	Executions per second
✓ isArray	5,988,756 Ops/sec
Instanceof	5,742,678 Ops/sec

Script Preparation code:

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

Tests: