<html>
<head>
<script type="text/javascript">
var txt="";
function message ()
{
try
{
adddlert("Selamat Datang")
}
catch(err)
{
txt="Error \n\n"
txt+="Error description : " + err.description + "\n\n"
alert(txt)
}
}
</script>
</head>
<body>
<input type="button" value="Tampilkan pesan"
onclick="message()" />
</body>
</html>
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