Run results for: instanceof vs typeof

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SM-G975F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Mobile Safari/537.36 EdgA/100.0.1185.39

Browser: Chrome Mobile 100

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
instanceof	3459826.2 Ops/sec
typeof	10394118.0 Ops/sec
typeof no function	5099965.5 Ops/sec
typeof and test attribute	5042707.5 Ops/sec

Script Preparation code:

var obj = {a:2};

Tests:

instanceof
obj instanceof Object
typeof
typeof obj === 'object'
typeof no function
typeof obj === 'object' && typeof obj !== 'function'
typeof and test attribute
typeof obj === 'object' && obj.a

Run results for: instanceof vs typeof

instanceof

typeof

typeof no function

typeof and test attribute