JavaScript - Object Notation - accessing values

Below code demonstrates usage of JavaScript Object Notation:

// declaring a javascript object

var person = {

  name: "MS Dhoni",

  city: "Ranchi",

  team: "Chennai Super Kings",

  details: {

    hobbies: ["cooking","cricket","chess"],

    location: "India"

  },

  greeting: function() {

  console.log("welcome");

}

}

// Printing the person object to console

console.log(person);

// Printing the person name to console

console.log(person.name);

// Printing the person name using dictionary notation. 

// This technique can be used to access the field name dynamically

field = "name"

console.log(person[field]);

//accessing deeper levels 

console.log(person.details.hobbies);

// accessing deeper levels dynamically

console.log(person["details"]["hobbies"]);

// calling the function defined inside the object

person.greeting();

Refer: https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Basics

Practice at: http://jsbin.com