Using sc_debug
Version:
You can use the Sitecore browser-based debugger to get information about the SPEAK client-side JavaScript. You may want to use this to troubleshoot problems and to find bugs.
To do this:
- Open the JavaScript console of your browser (often F12)
- Append
sc_debug=1to the URL of your SPEAK application.
For example:

This enables you to examine the SPEAK JavaScript model interactively. The SPEAK controls are under Sitecore.Speak.app:

You can see a list of all the SPEAK controls (for example, CancelButton, and so on):

You can change the properties or attributes of a control interactively. Here, the "Select a topic" text comes from the text property of a SPEAK control called HeaderTitle:

You can simply enter JavaScript to change the value of this property:

The SPEAK component changes immediately:

If you have suggestions for improving this article, let us know!