Answer to Question #236836 in HTML/JavaScript Web Application for Alex

Question

Answer to Question #236836 in HTML/JavaScript Web Application for Alex

Question #236836

When the user clicks on the icon to buy a pop box will appear which will allow them to select how many of the item do, they want to buy.

How do i create such a pop up box that can account for the amount of products selected and still calculate the price?

Expert's answer

<!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>Document</title>
    <style>
        html {
            box-sizing: border-box;
        }
        *,
        *::after,
        *::before {
            box-sizing: inherit;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        .container {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .main {
            display: flex;
            flex-direction: column;
            align-items: center;
            height: 160px;
            justify-content: space-evenly;
        }
        .main h1 {
            font-size: 30px;
            font-family: cursive;
        }
        .main img {
            width: 50px;
            height: 50px;
            cursor: pointer;
            display: block;
        }
        .main p {
            font-size: 25px;
            font-weight: bold;
        }
        .modal {
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(0, 0, 0, 0.3);
        }
        .modal.hide {
            display: none;
        }
        .modal-box {
            width: 80%;
            height: 90%;
            border-radius: 10px;
            box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.5);
            background-color: #fff;
            padding: 20px;
        }
        .modal-title {
            display: flex;
            justify-content: space-between;
        }
        .close-button {
            font-size: 28px;
            display: block;
            font-family: cursive;
            cursor: pointer;
        }
        .items-wrapper {
            margin-top: 15px;
            overflow-y: scroll;
            max-height: 90%;
        }
        .items-wrapper {
            list-style-type: none;
            display: flex;
            flex-wrap: wrap;
        }
        .items {
            width: 30%;
            margin-bottom: 20px;
            text-align: center;
            position: relative;
        }
        .items:not(:nth-child(3n)) {
            margin-right: 5%;
        }
        .items img {
            width: 100%;
        }
        .box-icon {
            position: absolute;
            width: 18px;
            height: 18px;
            border: 1px solid #000;
            border-radius: 2px;
            right: 10px;
            top: 10px;
        }
        .box-icon.active {
            background-color: red;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="main">
            <h1 class="main-title"></h1>
            <img class="buy-icon" src="https://www.freeiconspng.com/thumbs/buy-icon-png/buy-icon-32.png" alt="">
            <p>Buy anything</p>
        </div>
        <div class="modal hide">
            <div class="modal-box">
                <h2 class="modal-title">
                    <p><span>Items selected: </span><span class="items-amount"></span></p>
                    <p><span>Selected items price: </span><span class="items-price"></span></p>
                    <span class="close-button">X</span>
                </h2>
                <ul class="items-wrapper">
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://agatosmedia.hu/wp-content/uploads/2021/02/webaruhaz-keszites-szolgaltatas.jpg" alt="">
                        <h3 class="item-title">Noutbuk</h3>
                        <p class="item-price">800 $</p>
                    </li>
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://im0-tub-com.yandex.net/i?id=3e1fc6f0f1204e8c7793da7de5d3b5c1&n=13" alt="">
                        <h3 class="item-title">SmartWatch</h3>
                        <p class="item-price">90 $</p>
                    </li>
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://www.raldaos.es/includes/layerslider/images/callus.jpg" alt="">
                        <h3 class="item-title">Smartphone</h3>
                        <p class="item-price">350 $</p>
                    </li>
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://agatosmedia.hu/wp-content/uploads/2021/02/webaruhaz-keszites-szolgaltatas.jpg" alt="">
                        <h3 class="item-title">Noutbuk</h3>
                        <p class="item-price">800 $</p>
                    </li>
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://im0-tub-com.yandex.net/i?id=3e1fc6f0f1204e8c7793da7de5d3b5c1&n=13" alt="">
                        <h3 class="item-title">SmartWatch</h3>
                        <p class="item-price">90 $</p>
                    </li>
                    <li class="items">
                        <span class="box-icon"></span>
                        <img class="item-img" src="https://www.raldaos.es/includes/layerslider/images/callus.jpg" alt="">
                        <h3 class="item-title">Smartphone</h3>
                        <p class="item-price">350 $</p>
                    </li>
                </ul>
            </div>
        </div>
    </div>
    <script>
        const buyIcon     = document.querySelector('.buy-icon')
        const modal       = document.querySelector('.modal')
        const closeBtn    = document.querySelector('.close-button')
        const items       = document.querySelectorAll('.items')
        const boxIcon     = document.querySelector('.box-icon')
        const itemsAmount = document.querySelector('.items-amount')
        const itemsPrice  = document.querySelector('.items-price')
        const mainTitle   = document.querySelector('.main-title')
        
        let amount = 0
        let price = 0
        
        buyIcon.onclick = () => {
            modal.classList.remove('hide')
        }
        
        closeBtn.addEventListener('click', () => {
            console.log(modal);
            modal.classList.add('hide')
        })
        
        items.forEach(item => {
            item.onclick = () => {
                if (item.childNodes[1].classList.contains('active')) {
                    item.childNodes[1].classList.remove('active')
                    amount--
                    price = price - Number(item.childNodes[7].textContent.split(' ')[0])
                } else {
                    item.childNodes[1].classList.add('active')
                    amount++
                    price = price + Number(item.childNodes[7].textContent.split(' ')[0])     
                }
                itemsAmount.textContent = amount
                itemsPrice.textContent = price + ' $'
                mainTitle.textContent = `${amount} items selected, and its price ${price} $`
            }
        })
    </script>
</body>
</html>

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Answer to Question #236836 in HTML/JavaScript Web Application for Alex

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