Run results for: double bang vs typeof check vs truthy

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:92.0) Gecko/20100101 Firefox/92.0

Browser: Firefox 92

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Tests:

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