Answers for "js check if attribute exists ?"

5

How to tell if an attribute exists on an object

const user = {
    name: "Sicrano",
    age: 14
}

user.hasOwnProperty('name');       // Retorna true
user.hasOwnProperty('age');        // Retorna true
user.hasOwnProperty('gender');     // Retorna false
user.hasOwnProperty('address');    // Retorna false
Posted by: Guest on October-26-2020
4

how to check element has an attribute js

let result = element.hasAttribute(name);
Posted by: Guest on July-28-2020

Code answers related to "js check if attribute exists ?"

Code answers related to "Javascript"

Browse Popular Code Answers by Language