Write a JavaScript program using Exception handling?

Program:

<html>

<head>

<script type="text/javascript">

var txt="";

function message()

{

try

{

alert("Welcome guest!");

}

catch(err)

{

txt="There was an error on this page.\n\n";

txt+="Error description: " + err.description + "\n\n";

txt+="Click OK to continue.\n\n";

alert(txt);

}

}

</script>

</head>

<body>

<input type="button" value="View message" onClick="message()" />

</body>

</html>

Out Put:

exception handling

By Computers Professor

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