JAVA SCRIPT-->>Try...Catch Statement
66The try...catch statement allows you to test a block of code for errors. The try block contains the code to be run, and the catch block contains the code to be executed if an error occurs.
<html><head><script type="text/javascript">
var txt=""
function message()
{
try
{
adddlert("Welcome guest!")
}
catch(err)
{
txt="There was an error on this page.\n\n"
txt+="Click OK to continue viewing this page,\n"
txt+="or Cancel to return to the home page.\n\n"
if(!confirm(txt))
{
document.location.href="http://yahoo.com/"
}
}
}
</script></head>
<body>
<input type="button" value="View message" onclick="message()" />
</body></html>
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