Run results for: Array isArray vs typeof (negative case)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0

Browser: Chrome 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

isArray

227.7M/s

typeof

225.8M/s

View exact numbers

Test name	Executions per second
✓ isArray	227,681,344 Ops/sec
typeof	225,816,016 Ops/sec

Script Preparation code:

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

Tests: