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Learning ServiceNow

You're reading from   Learning ServiceNow Administration and development on the Now platform, for powerful IT automation

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Product type Paperback
Published in Jun 2018
Publisher
ISBN-13 9781788837040
Length 388 pages
Edition 2nd Edition
Languages
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Author (1):
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Tim Woodruff Tim Woodruff
Author Profile Icon Tim Woodruff
Tim Woodruff
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Toc

Table of Contents (17) Chapters Close

Preface 1. The Interface FREE CHAPTER 2. Lists and Forms 3. UI Customization 4. Understanding Data and Relationships 5. Tasks and Workflows 6. UI and Data Policies 7. User Administration and Security 8. Introduction to Scripting 9. The Server-Side Glide API 10. The Client-Side Glide API 11. Server-Side Scripting 12. Client-Side Scripting 13. Service Portal Scripting 14. Debugging 15. Pro Tips Index

Troubleshooting widgets

There are a few different methods of troubleshooting a widget, depending on the information you're looking for. In the server script, we can use gs.log() or gs.info() to log data from the server. In the client controller and the body HTML template, we can use console.log() or console.warn(), and use the browser's console to debug certain issues.

Note

Technically we can use alert(), but generally, logging in the console is better.

The Widget Context Menu is also helpful for troubleshooting. In particular, the last two items can be incredibly helpful:

Troubleshooting widgets

Let's briefly go over what they each do:

  • Log to console: $scope: This prints out the widget instance object, with all the parameters/values associated with that widget instance.
  • Log to console: $scope.data: This is generally used more often. Instead of printing the entire scope, it prints the data object contained in that scope. The data object is the predefined object we built in the server script of our widget...
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