Run results for: instanceof vs typeof vs Object.prototype.toString.call

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
instanceof	9554441.0 Ops/sec
typeof	27036840.0 Ops/sec
typeof no function	13531331.0 Ops/sec
Object.prototype.toString.call ==	9072113.0 Ops/sec
Object.prototype.toString.call ===	9048240.0 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'
Object.prototype.toString.call ==
"[object Object]" == Object.prototype.toString.call(obj)
Object.prototype.toString.call ===
"[object Object]" === Object.prototype.toString.call(obj)