Download to read offline
Uploaded bykaran info
Java script errors by karan chanana
This document contains JavaScript code that uses try and catch blocks to handle errors. When a button is clicked, a function is called that tries to display an alert, but includes error handling using catch to detect any issues and display a custom error message with the error description to the user if an exception occurs.
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="Viewmessage" onclick="message()" /> </body> </html>