JavaScriptCourse/cartQuantity.html at master · karrgov/JavaScriptCourse · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Cart Quantity</title>

    </head>
    <body>
        <button onclick="
        console.log(`Cart quantity: ${cartQuantity}`);
        ">Show Quantity</button>

        <button onclick="
        cartQuantity++;
        console.log(`Cart quantity: ${cartQuantity}`);
        ">Add to cart</button>

        <button onclick="
        cartQuantity = cartQuantity + 2;
        console.log(`Cart quantity: ${cartQuantity}`);
        ">+2</button>

        <button onclick="
        cartQuantity = cartQuantity + 3;
        console.log(`Cart quantity: ${cartQuantity}`);
        ">+3</button>

        <button onclick="
        cartQuantity = 0;
        console.log(`Cart quantity reset: ${cartQuantity}`);
        ">Reset cart</button>

        <script>
            let cartQuantity = 0;

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