Web Programming Training By OM SIR Call for free Demo :9320957717/18

JAVA-SCRIPT FUNCTION

(6)function example:

<script> 
                function msg(){ 
                alert("hello! this is message"); 
                } 
                </script> 
                <input type="button" onclick="msg()" value="call function"/>

(7)argument function:

<script> 
                function getcube(number){ 
                alert(number*number*number); 
                } 
                </script> 
                <form> 
                <input type="button" value="click" onclick="getcube(4)"/> 
                </form> 

(8)return  function:

<script> 
                function getInfo(){ 
                return "hello javatpoint! How r u?"; 
                } 
                </script> 
                <script> 
                document.write(getInfo()); 
                </script> 

(9)alert example:

<!DOCTYPE html>
<html>
<body>

<p>Click the button to display an alert box:</p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {
    alert("I am an alert box!");
}
</script>

</body>
</html>

(10)confirm example:

<!DOCTYPE html>
<html>
<body>

<p>Click the button to display a confirm box.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x;
    if (confirm("Press a button!") == true) {
        x = "You pressed OK!";
    } else {
        x = "You pressed Cancel!";
    }
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

(11)Prompt  example:

<!DOCTYPE html>
<html>
<body>

<p>Click the button to demonstrate the prompt box.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    var person = prompt("Please enter your name", "Harry Potter");
   
    if (person != null) {
        document.getElementById("demo").innerHTML =
        "Hello " + person + "! How are you today?";
    }
}
</script>

</body>
</html>
Previous
Next Post »

1 comments:

Write comments
victoria eden
AUTHOR
9 March 2017 at 19:36 delete

I like your blog a lot. Its informative and full of information. Thank you for sharing.
Melbourne Mobile Developer

Reply
avatar