Run results for: double bang vs typeof check

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
double bang	46026.4 Ops/sec
typeof	45956.1 Ops/sec

Tests:

double bang
const obj = Object.assign( function() {}, { x: 1 }, ); for (let i = 0; i < 100000; i++) !!obj;
typeof
const obj = Object.assign( function() {}, { x: 1 }, ); for (let i = 0; i < 100000; i++) typeof obj === 'object' || typeof obj === 'function';