Examples/Example8.html at main · AnuGeorge39/Examples · GitHub

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Example8</title>
</head>
<body>
    <h2>Example 8</h2><br>
    <h3>Total cost of items in the basket is:<p id="totalCost"></p></h3>
    <button onclick="buttonclick()">Calculate amount</button>

    <script>


    class Basket
    {
            constructor()
             {
        this.value = [];
            }

        addItem(product, qty)
        {
            this.value.push({ product, qty });
        }


        getCost(prices){
            let totalCost=0;
            for(let item of this.value){

                if (prices[item.product])
                 {
                totalCost += prices[item.product] * item.qty;
                 }
                }

                return totalCost;

              //  document.getElementById("output").innerHTML = totalcost;


        }

    }
   function buttonclick()
    {
    let baskets = new Basket();

    baskets.addItem("apple", 2);
    baskets.addItem("banana", 4);

    const prices = {
        apple: 2,
        banana: 1.5,

    };

        let total = baskets.getCost(prices);
        document.getElementById("totalCost").innerHTML = "$" + total.toFixed(2);

    }

    </script>

</body>
</html>