> There are coding conventions in TW which to the beginner JS programmer may find puzzling. For example in Tobias' example plugin we have a line which says "tid = tid"
The actual line is: *tid = tid || "GettingStarted"* That's conceptually similar to the less puzzling line: *tid = tid + 1* which causes *tid* to be set to its own previous value + 1. In Tobias's example, the *||* symbol means "or else", and the line causes *tid* to be set to either its current value, or else (if *tid* isn't currently set to anything) to *"GettingStarted"*. This is a common idiom for supplying a default value for a parameter in JavaScript. Tobias's example doesn't actually need to use the word *var* (which introduces a new variable), because *tid* has already been declared (as a parameter). – æ -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To post to this group, send email to tiddlywiki@googlegroups.com. Visit this group at http://groups.google.com/group/tiddlywiki. For more options, visit https://groups.google.com/d/optout.
