how to access object properties in javascript code example

Example 1: javascript object

var	person = {
	first_name : "Marty",
  	last_name : "Mcfly",
	born : 1968,
	died : 1933,
    lovers: ["Jennifer Parker","Baines McFly"]
};

Example 2: js objects

// To make an object literal:
const dog = {
    name: "Rusty",
    breed: "unknown",
    isAlive: false,
    age: 7
}
// All keys will be turned into strings!

// To retrieve a value:
dog.age; //7
dog["age"]; //7

//updating values
dog.breed = "mutt";
dog["age"] = 8;

Example 3: objects javascript

function Dog() {
  this.name = "Bailey"; 
  this.colour = "Golden"; 
  this.breed = "Golden Retriever";
  this.age = 8;
}

Example 4: how to a property from a JavaScript object

delete myObject.regex;
// or,
delete myObject['regex'];
// or,
var prop = "regex";
delete myObject[prop];


/** Demo */
var myObject = {
    "ircEvent": "PRIVMSG",
    "method": "newURI",
    "regex": "^http://.*"
};
delete myObject.regex;

console.log(myObject);

Example 5: access object attribute javascript

const json = {
    nome: "nome",
    sobrenome: "sobrenome",
    idade: "idade",
    endereco: "endereco",
    empresa: "empresa",
    telefones: [
        {
            "residencial": "residencial"
        },
        {
            "celular": "celular"
        }
    ]
}

console.log(Object.keys(json))
// ["nome", "sobrenome", "idade", "endereco", "empresa", "telefones"]

Example 6: javascript object

let names = {
	name1: 'What ever you want to put'
}