JavaScript example #1

PHOTO EMBED

Fri Dec 18 2020 05:00:12 GMT+0000 (Coordinated Universal Time)

Saved by @Javkhlantugs ##javascript

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script>
        function MyExa1() {
            //display output
            var output1 = document.getElementById("output1");
            output1.innerHTML = "Hello PD2<br /> Your age is 100<br />";
        }

        function MyExa2() {
            //get inputs and display outputs
            var uName, uAge; //undefined
            uName = document.getElementById("uName").value;
            uAge = document.getElementById("uAge").value;
            document.getElementById("output2").innerHTML = ("Hello" + uName + "<br /> Your age is " + uAge + "< br />"); 

        }

        function myExa3() {
            //get inputs, calculate and display result
            var num1, num2, total;
            num1 = document.getElementById("num1").value;
            num2 = document.getElementById("num2").value;
            total = Number(num1) + Number(num2); 
            document.getElementById("output3").innerHTML = ("The total is" + total);



        //    num1 = prompt("Enter the first number");
        //    num2 = prompt("Enter the second number");
        //    //total = (num1 - 0) + (num2 - 0);
        //    total = Number(num1) + Number(num2);
        //    documen.write("The total is " + total);
        }



    </script>
</head>
<body>
    <fieldset>
        <button onclick="MyExa1()"> Call the first function</button>
        <p id="output1"></p>
    </fieldset>
    <fieldset>
        <button onclick="MyExa2()"> Call the second function</button>
        <label>Enter Your Name</label>
        <input type="text" id="uName" />
        <br />
        <label>Enter Your Age</label>
        <input type="number" id="uAge" />
        <br />
        <p id="output2"></p>
    </fieldset>

    <fieldset>
        <button onclick="myExa3()"> Call the third function</button>
        <br/> 
        <label>Enter the first number</label>
        <input type="number" id="num1" /> 
        <br/>
        <label>Enter the second number</label>
        <input type="number" id="num2" />
        <br />
        <p id="output3"></p>
    </fieldset>
</body>
</html>



<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
</head>
<body>
    <script>
        //display output 
        //document.write("Hello PD2<br /> Your age is 100<br />")

        //get inputs and display outputs
        //var uName, uAge; //undefined
        //uName = prompt("Enter your name"); //string 
        //uAge = prompt("Enter your age", "18"); //string 
        //document.write("Hello" + uName + "<br />Your age is " + uAge + "< br />");

        //get inputs, calculate and display result 
        var num1, num2, total; 
        num1 = prompt("Enter the first number");
        num2 = prompt("Enter the second number");
        total = (num1 - 0) + (num2 - 0); 
        //or
        total = Number(num1) + Number(num2); 
        documen.write("The total is " + total); 
    </script>
</body>
</html>



<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script>
        function MyExa1() {
            //display output
            document.write("Hello PD2<br /> Your age is 100<br />")
        }

        function MyExa2() {
            //get inputs and display outputs
            var uName, uAge; //undefined
            uName = prompt("Enter your name"); //string
            uAge = prompt("Enter your age", "18"); //string
            document.write("Hello" + uName + " <br />Your age is " + uAge + "< br />");

        }

        function myExa3() {
            //get inputs, calculate and display result
            var num1, num2, total;
            num1 = prompt("Enter the first number");
            num2 = prompt("Enter the second number");
            //total = (num1 - 0) + (num2 - 0);
            total = Number(num1) + Number(num2);
            document.write("The total is " + total);
        }

            



    </script>
</head>
<body>
    <fieldset>
    <button onclick="MyExa1()"> Call the first function</button>
    <p id="output1"></p>
    </fieldset>
    <fieldset>
        <button onclick="MyExa2()"> Call the second function</button>
        <label>Enter Your Name</label>
        <input type="text" id="uName" />
        <br />
        <label>Enter Your Age</label>
        <input type="number" id="uAge" />
        <br/>
        <p id="output2"></p>
    </fieldset>

    <fieldset>
    <button onclick="myExa3()"> Call the third function</button>
        </fieldset>
</body>
</html>
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