switch_case.html

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
    <h3 onclick="getData(1)">1</h3>
    <h3 onclick="getData(2)">2</h3>
    <h3 onclick="getData(3)">3</h3>
    <h3 onclick="getData(4)">4</h3>
    <h3 onclick="getData(5)">5</h3>
    <h3 onclick="getData(6)">6</h3>

    <button onclick="getData()">Click</button>
    <p id="nu"></p>
    <script>
        function getData(value){
            switch(value) {
                case 1 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 1';
                break;

                case 2 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 2';
                break;

                case 3 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 3';
                break;

                case 4 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 4';
                break;

                case 5 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 5';
                break;

                case 6 : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Floor No. 6';
                break;

                default : document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML+ '<br/>' + 'Ground Floor';
            }
        }
    </script>
    <form>
        <input type="text" name="" value="" id="day" />
        <input type="submit" name="" value="Submit" onclick="getData2()" />
    </form>
    <br/>

    <script>
        function getData2(){
            var dayV = document.getElementById('day').value;
            dayV = dayV.toLowerCase();
            
            switch(dayV){
                case 'sunday' :
                case 'saturday' : document.write('Today is Weekend');
                break;

                case 'wednesday' :
                case 'friday' :
                case 'thursday' :
                case 'tuesday' :
                case 'monday' :
                    document.write('Today is Weekdays');
                break;
                
                default : document.write('please enter correct day');
            }
        }
    </script>

    <br/><br/>

        <input type="text" name="" value="" id="val1" />
        <input type="text" name="" value="" id="val2" />
        <select id="opr">
            <option value="Add">Add</option>
            <option value="Subtract">Subtract</option>
            <option value="Multiply">Multiply</option>
            <option value="Divide">Divide</option>
        </select>
        <input type="submit" name="" value="Submit" onclick="operation()" />


    <p id="ope"></p>
    <script>
        function operation(){
            var v1 = parseInt(document.getElementById('val1').value);
            var v2 = parseInt(document.getElementById('val2').value);
            var o2 = document.getElementById('opr').value;
            
            switch(o2){
                case 'Add' : alert(v1 + v2);
                break;

                case 'Subtract' : document.write(v1 - v2);
                break;

                case 'Multiply' : console.log(v1 * v2);
                break;

                case 'Divide' : alert(v1 / v2);
                break;
            }


        }
    </script>
 

</body>
</html>
