Java script errors by karan chanana

1. JavaScript Errors - Throw and Try <!DOCTYPE html> <html> <head> <script> var txt=""; function message() { try { adddlert("Welcome guest!"); } catch(err) { txt="There was an error on this page.nn"; txt+="Error description: " + err.message + "nn"; txt+="Click OK to continue.nn"; alert(txt); } } </script> </head> <body>

2. <input type="button" value="View message" onclick="message()" /> </body> </html>