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 falseget object name javascript
var a = {
name:'a',
'light': 'good',
'dark' : {
name: 'dark',
'black': 'bad',
'gray' : 'not so bad'
}
}
// This way you can do
console.log(a.name,a.dark.name);Copyright © 2021 Codeinu
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