script.js

// Object declare using {} and print using dot notation
// var person ={
//     name: "Rajini",
//     age: 45,
//     occupation: "actor"
// }
// console.log(person.name);
// console.log(person.age);
// console.log(person.occupation);
// Object declare using {} and print using square []
// var person ={
//     name: "Rajini",
//     age: 45,
//     occupation: "actor"
// }
// console.log(person["name"]);
// console.log(person["age"]);
// console.log(person["occupation"]);
// console.log(person)
// Object declare using new method
// var person = new Object();
// person.name = "rajini";
// person.age = 45;
// person.occupation = "actor";
// person.city = "Chennai";
// console.log(person);
//Modifying the Object using dot
// var person = {
//     name: "rajini",
//     age: 45
// }
// console.log(person)
// person.name= "kamal"
// console.log(person);
//Modifying the Object using square[]
// var person = {
//     name: "rajini",
//     age: 45
// }
// console.log(person);
// person["age"]=60;
// console.log(person);
//Adding a new property
// var person = {
//     name:"kamal",
//     age:60
// }
// console.log(person)
//  person.occupation= "actor"
//  console.log(person);
//Removing Obj property
//  var person = {
//     name:"kamal",
//     age:60,
//     city: "chennai"
// }
// console.log(person);
// delete person.city
// console.log(person);
//JSON.parse()
// var a = '{"name":"kamal","age":60}';
// console.log(a);
// var b = JSON.parse(a);
// console.log(b);
//JSON.stringify
// const c = {
//     name: "kamal",
//     age: 60
// }
// console.log(c)
// var d = JSON.stringify(c);
// console.log(typeof(d))
//Nested JSON object
// var person = {
//     "name":"kamal",
//     "age" :60,
//     "occupation":"actor",
//     "address": {
//         "city" : "chennai",
//         "pincode" : 60001
//     }
// }
// console.log(person)
//Array Destructuring
// const arr = [1,2,3];
// const[x,z,wwww,d=4]= arr;
// console.log(x);
// console.log(z);
// console.log(wwww);
// console.log(d);
// console.log(arr);
//Object Destructuring
// const obj = {
//     name: "kamal",
//     age:60,
//     address:{
//         city: "chennai",
//         pin: 60001
//     }
//  }
// //const{key}=objectname
// const {name,age}= obj;
// console.log(name);
// console.log(age);
//Use Strict in Js
//without strict mode
// fullname = "kamal"
// console.log(fullname)
//with strict mode
// 'use strict';
// fullname = "kamal"
// console.log(fullname)
//1. Using "this" keyword alone, refers to global object
// console.log(this);
//2.In regular function , refers to global object
// const a = function(){
//     console.log("hello world");
//     console.log(this)
// }
// a();
//3. In a function in strict mode , "this" is undefined.
// 'use strict';
// const a = function(){
//     console.log("Nandu");
//     console.log(this)
// }
// a();
//4. In a method, "this" refers to the owner object.
const person = {
    names : "ReshmaPriya",
    age: 60,
    occupation: "actor",
    detail: function(){
        console.log(`I love ❤ ${this.names}`)
    }
}
console.log(person.detail());