Run results for: Test the speed of typeof vs. constructor

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

typeof

11.6M/s

constructor

4.6M/s

View exact numbers

Test name	Executions per second
✓ typeof	11,624,839 Ops/sec
constructor	4,621,212 Ops/sec

Script Preparation code:

function func() { console.log('Hello world!') }

Tests: