ChayeORCode/oop.html at main · ShifaRabbani/ChayeORCode · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>OOPs</title>

</head>
<body style="background-color: #212121; color: aliceblue;">
    <script>
        // oop is a collection of properties and methods
        // why oop , oop struchure the code
        // parts of oop (Object literal)(constructor function)(prototype)
        //(classs) (intences or new, this)

        // ******* object literals ,cllection of properties and methids
        const user = {
            userName : 'Sami',
            loginCount : 9,
            sighnedOut : true,

        getUserDetails: function (){
            //  console.log("Got user detail from data Base");
            //  console.log(`Username : ${this.userName}`);
            // console.log(this);
          }
         }
// console.log(user.userName);
// console.log(user.getUserDetails());
// console.log(this);

// *************** Contrustor function **************
function User(username , loginCount ,isLoggedIn){
    this.username = username   // left one is work like a varaible
    this.loginCount = loginCount
    this.isLoggedIn = isLoggedIn
    // return this // not importent it is default
    this.greeting = function(){
        console.log(`WellCome ${this.username}` );

    }
}
const user1 = new User("Shifa" , 12, true)
const user2 =new User("Sohail" , 17, false)
// every time give us new instance
console.log(user1);
console.log(user2);


    </script>
</body>
</html>