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 falsehow to check wether the property exist in a object in java script
if (obj.hasOwnProperty('prop')) {
// do something
}how to check element has an attribute js
let result = element.hasAttribute(name);check if js property exists in class
myObj.hasOwnProperty(myProp)deconstruction javascript check if exist attrib
const obj = { main: 'Brighton seagull'}const { main } = obj || {}// 'Brighton seagull'Copyright © 2021 Codeinu
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