Question : javascript check object methods
Answered by : clumsy-cobra-laojhlug4py6
Object.getOwnPropertyNames() Source : | Last Update : Sat, 25 Jul 20
Question : check if object has method javascript
Answered by : shiny-stag-ho764llnko68
if(typeof myObj.prop2 === 'function') { alert("It's a function");
} else if (typeof myObj.prop2 === 'undefined') { alert("It's undefined");
} else { alert("It's neither undefined nor a function. It's a " + typeof myObj.prop2);
}Source : | Last Update : Thu, 02 Jul 20
Question : Check If Object Contains A Function
Answered by : eric-tam
const res = {a:"aaa", b:function(){console.log("b")}}; console.log(typeof res.b == "function"); /*true, notice it is b and not b()*/Source : | Last Update : Sat, 18 Jun 22