Run results for: falsy vs typeof

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; LLD-AL10) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.101 Mobile Safari/537.36

Browser: Chrome Mobile 75

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
falsy	1051912.0 Ops/sec
typeof	32007.3 Ops/sec

Script Preparation code:

let a = null
let b = null

Tests:

falsy
let a = undefined let b = null if (a) console.log('-') if (b) console.log('-')
typeof
let a = undefined let b = null if (typeof a === 'undefined') console.log('-') if (typeof b === 'undefined') console.log('-')