<html>
<head>
<title>Disable right click options</title>
<script language="javascript">
function click()
{
<-------Javascript start-----
if(event.button==2)
{
alert("Disabled");
}
}
document.onmousedown=click
-------Javascript End-------->
</script>
</head>
</html>
Showing posts with label html. Show all posts
Showing posts with label html. Show all posts
JavaScript: Random Function
random function:
Returns a pseudo-random number between 0 and 1. The random number generator is seeded from the current time, as in Java.
Syntax:
random()
Description:
Because random is a static method of Math, you always use it as Math.random(), rather than as a method of a Math object you created.
Example in HEAD section:
| <html> <head> <title>Random Function</title> <script language="javascript"> document.write(Math.random(1)); </script> </head> </html> |
Example in BODY section:
| <html> <head> <title>Random Function</title> </head> <body> <script language="javascript"> document.write(Math.random(1)); </script> </body> </html> |
OUTPUT
0.7415897142562586
JavaScript: Power Function
pow function:
Returns base to the exponent power, that is, baseexponent .
Calculate x raised to y (xy)
Syntax:
pow(x,y)
x is the base number and y is the exponent to which to raise base.
Description:
Because pow is a static method of Math, you always use it as Math.pow(), rather than as a method of a Math object you created.
Example:
<html>
<head>
<title>Power Function</title>
<script language="javascript">
document.write("calculate 5 <sup> 2 </sup> = " + Math.pow(5,2) + "<br>");
document.write("calcuclate 3 <sup> 5 </sup> = " + Math.pow(3,5) + "<br>");
</script>
</head>
</html>
OUTPUT:
calculate 52 = 25
calcuclate 35 = 243
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