Changes between Version 3 and Version 4 of DeveloperDocumentation

Timestamp:

08/29/08 17:59:48 (16 years ago)

Author:

kiesel

Comment:

Exception notes

DeveloperDocumentation

@@ -15 +15 @@
 If you want to add new functionality, have a look at the numerous existing Firefox/Thunderbird plugins to get an idea how things are done.
 
-For enabling the console (the place '''dump''' messages go to) see http://gnowsis.opendfki.de/wiki/MozillaDeveloping .
+For enabling the console (the place '''dump''' messages go to) see http://gnowsis.opendfki.de/wiki/MozillaDeveloping . You may have to enable dump in '''gnowsis_dump()'''.
+
+== General Hints ==
+ * Use '''try {...} catch(e) { dump(e); alert(e); }''' in abundance. Uncaught exceptions typically vanish in the depths of Mozilla and are hard to find without lots of debugging.
+   * '''Never''' swallow exceptions, always at least dump() them unless you really know what you are doing.