Run results for: Array isArray vs typeof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 Edg/138.0.0.0

Browser: Chrome 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

isArray

9.2M/s

typeof

8.9M/s

View exact numbers

Test name	Executions per second
✓ isArray	9,212,909 Ops/sec
typeof	8,867,303 Ops/sec

Script Preparation code:

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

Tests: