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<!DOCTYPE html> <html> <head> <script> 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 = "../index.html"; } } } </script> </head> <body> <input type="button" value="View message" onclick="message()" /> </body> <!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_try_catch2 by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 07:24:34 GMT --> </html>
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