CSS/chain.html at main · Snowil-tuscano/CSS · GitHub

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

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

<body>

    <select id="country" onchange="change(this.value)">
        <option value="">Select The Country</option>
        <option value="india">India</option>
        <option value="Usa">Usa</option>
    </select>


    <select id="city" onchange="city(this.value)">

    </select>
    <select id="food">

    </select>
    <script>
        function change(val) {
          //  city.innerHTML=""
            if (val == "india") {
                document.getElementById("city").innerHTML = "<option value=>Select the City</option><option value='mumbai'>mumbai</option><option value='delhi'>delhi</option><option value='benglaru'>benglaru</option>"
            }

            if (val == "Usa") {
                document.getElementById("city").innerHTML = "<option value>Select the City</option><option value='Alaska'>Alaska</option><option value='California'>California</option><option value='Colorado'>Colorado</option>"

            }
        }

        function city(newval) {
            if (newval == "mumbai") {
                document.getElementById("food").innerHTML = "<option value='vadapav'>vadapav</option><option value='dahi chaat'>dahi chaat</option><option value='pani puri'>panipuri</option>"
            }
            if (newval == "delhi") {
                document.getElementById("food").innerHTML = "<option>Momos</option><option>Chole Kulcha</option><option >Rajma Chawal</option>"
            }
            if (newval == "benglaru") {
                document.getElementById("food").innerHTML = "<option>Mendu Wada</option><option>Idli</option><option >Dosa</option>"
            }
            if (newval == "Alaska") {
                document.getElementById("food").innerHTML = "<option>Cheese Burger </option><option>Ham burger</option><option >mutton Burger</option>"
            }
            if (newval == "California") {
                document.getElementById("food").innerHTML = "<option>Fish</option><option>Chicken</option><option >Meat</option>"
            }
            if (newval == "Colorado") {
                document.getElementById("food").innerHTML = "<option>Spicy chips</option><option>Saalted Chips</option><option >Peri peri chips</option>"
            }
        }
        document.body.style.backgroundColor = "black"
    </script>
</body>

</html>