Run results for: instanceof vs typeof function

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

typeof

285.0M/s

instanceof

165.4M/s

View exact numbers

Test name	Executions per second
✓ typeof	284,996,128 Ops/sec
instanceof	165,413,728 Ops/sec

Script Preparation code:

var fn = function(){return 42}

Tests: