Loops.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Loops</title>
</head>

<body>
    <div class="container">
        This is about loops
    </div>

    <script>
        console.log("We'll learn to make to loops here");
        let i = 0;
        for (i = 0; i < 3; i++) {                                              //Here i++ increases i by 1 units.        
            console.log(i);
        }

        let friends = ['Aman', 'Vaibhav', 'Maynak', 'Varun', 'Sanjukta'];
        for (let index = 0; index < friends.length; index++) {
            console.log('Hello friend ' + friends[index]);
        }

        //Doing the same thing we have done above but by creating a new function
        friends.forEach(function f(element) {                             //Defining function forEach
            console.log('Hello my friend ' + element + ' to modern JavaScript')
        });

        //Using for-of loop to do the same
        for (element of friends) {
            console.log('Hello friend' + element + ' again to modern JavaScript');
        }

        let employee = {
            name: 'Aman',
            degree: 'B.Tech',
            age: 18,
            class: 'Freshmen'
        }
        // This loop is used to iterate over objects in JavaScript     (for-in loop)
        for (key in employee) {
            console.log(`The ${key} of employee is ${employee[key]}`);
        }
        // While loop in JavaScript
        // let i =0;
        while (i < 7) {
            console.log(`${i} is less than 7`);
            i++;
        }

        // do while loop in js
        let j = 34;
        do {
            console.log(`${j} is less than 4 and we are inside do while loop`);
            j++;
        } while (j < 4);
    </script>
</body>

</html>