JavaScript/lesson-08/Exercise.html at main · deep100x/JavaScript · GitHub

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<!-- in this lesson: -->
<!-- ------------------- -->
<!--

    Lesson 8 : Objects

    Exercise

-->

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <!-- 🟩8j.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
    <button onclick="playGame('heads')">Heads</button>
    <button onclick="playGame('tails')">Tails</button>

    <script>

        //🟩8a.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        const product = {
            name: 'basketball',
            price: 2095,
        }
        console.log(product);


        //🟩8b.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        product.price += 500;
        console.log(product);


        //🟩8c.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        product[ 'delivery-time' ] = '3-days';
        console.log(product)


        //🟩8d.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        let product1 = {
            name: 'apple',
            price: 100
        }
        let product2 = {
            name: 'banana',
            price: 50
        }

        function comparePrice (product1,product2)
        {
            if (product1.price > product2.price) {
                return product2;
            }
            else {
                return product1;
            }
        }
        console.log(comparePrice(product1,product2))


        //🟩8e.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        // console.log(product1 === product2);
        function isSameProduct (product1,product2)
        {
            return (
                product1.name = product2.name &&
                product1.price === product2.price
            )
        }
        console.log(isSameProduct(product1,product2))


        //🟩8f.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        let inputString = "JavaScript"  // 🟨

        const lowercaseString = inputString.toLowerCase();
        console.log(lowercaseString);

        // 🟦2nd Way

        // lowercaseString = '';
        // for (let i = 0; i < inputString.length; i++)
        // {
        //     const char = inputString[ i ];
        //     lowercaseString += char.toLowerCase();
        // }
        // console.log('lowercaseString');


        //🟩8g.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        // const repeatString = inputString.repeat(2);
        // console.log(repeatString);

        // 🟦2nd Way

        const repeatCount = 2;
        let repeatedString = '';
        for (let i = 0; i < repeatCount; i++) {
            repeatedString += inputString;
        }
        console.log(repeatedString);

        // 🟦3rd Way

        // const repeatCount = 2;
        // let repeatedString = '';
        // let i = 0;
        // while (i < repeatString)
        // {
        //     repeatedString += inputString;
        //     i++
        // }
        // console.log(repeatString);


        //🟩8j.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        let score = {
            wins: 0,
            losses: 0
        }
        function playGame (guess)
        {
            const randomNumber = Math.random();
            const result = randomNumber < 0.5 ? 'heads' : 'tails'

            console.log(guess === result ? 'You Win!' : 'You Lose!')

            if (guess === result) {
                score.wins++;
            }
            else {
                score.losses++;
            }
            console.log(score);
        }


    </script>
</body>

</html>