Example1.html :-
<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function Hello()
{
alert("Hello,Welcome and have a good day.");
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="button" NAME="Button" VALUE="Press me" onClick="Hello()">
</BODY>
</HTML>
Output :-
<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function Hello()
{
alert("Hello,Welcome and have a good day.");
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="button" NAME="Button" VALUE="Press me" onClick="Hello()">
</BODY>
</HTML>
Output :-
Example2.html :-
<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function Name()
{
var answer = prompt("What is your name?", "");
if (answer)
alert("God bless You, " + answer);
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="button" NAME="Button" VALUE="Press me" onClick="Name() ">
</BODY>
</HTML>
Output:-
Example3.html:-
<html>
<body>
<p>This example calls a function which performs a calculation, and returns the result:</p>
<script>
function myFunction(a,b)
{
return a*b;
}
document.write(myFunction(7,8));
</script>
</body>
</html>
Output:-
This example calls a function which performs a calculation, and returns the result:
12
Example4.html:-
<html>
<body>
<script language="JavaScript">
function confirmFunction()
{
var a;
var b=confirm("You have press a button!Do you want to continue?");
if (b==true)
{
a="You have pressed OK to continue!";
}
else
{
a="You have pressed Cancel to go back!";
}
document.write(a);
}
</script>
<p>Example of Confirm box.Click the button below to display a confirm box.</p>
<button onclick="confirmFunction()">Press Me</button>
</body>
</html>
Output:-
Example of Confirm box.Click the button below to display a confirm box.
Exampe5.html :-
<html>
<body>
<p>Click the button to demonstrate the prompt box.</p>
<button onclick="promptFunction()">Press Me</button>
<script>
function promptFunction()
{
var a;
var b=prompt("Please enter your name","");
if (b!=null)
{
a="Hello " + b+ "! How are you today?";
document.write(a);
}
}
</script>
</body>
</html>
Output :-
Click the button to demonstrate the prompt box.
Example6.html :-
<html>
<body>
<p> Click the button to wait 3 seconds then greets alert "Welcome"</p>
<script language="JavaScript">
function TimeFunction()
{
setTimeout(function(){alert("Welcome to professional-in-computer.blogspot.com")},3000);
}
</script>
<button onClick="TimeFunction()">Press me</button>
</body>
</html>
Output:-
Click the button to wait 3 seconds then greets alert "Welcome"
