The following preferences can be set on the   JavaScript > Debug preference page.
 JavaScript > Debug preference page.
	 
| Option | Description | Default | 
|---|---|---|
| Delete the 'External JavaScript Source' project on workbench shutdown | Allows you to have the debugger automatically delete the external source project when the workbench shuts down. | Off | 
| Suspend for all script loads | Allows you to have the debugger suspend when any script is loaded | On | 
| Suspend on JavaScript exceptions | Allows you to have the debugger automatically suspend when an uncaught exception is thrown from running JavaScript | On |