--- In flexcoders@yahoogroups.com, Paul Andrews <p...@...> wrote: > > Dave Glasser wrote: > > Consider this code snippet: > > > > var xml:XML = <outer><inner>null</inner></outer>; > > var xmlList:XMLList = xml.inner; > > trace(xmlList == null); > > > > What does the trace statement output, true or false, and why? > > > > Please provide an answer without running the code (of course) and, better > > yet, without consulting any documentation, or any of the other answers that > > may have been posted already (if you read the list in chronological order.) > > Pretend it's a job interview question and you have to give it your best > > shot off the top of your head. > > > > And also, if you don't mind, don't top-post your answer, so that if someone > > does read your answer before the original post, they might get a chance to > > answer without having seen yours first. > > > > > > > > > > > > > > > > > > > > xmlList is set to point at somthing which isn't a list, so I think the > trace statement will not be reached. That's my 02:31AM thought.. >
my initial answer is false, as null in xml text node is string, so it is not equal at trace statement as xmllist == null. but after deep think, the string 'null' at trace statement will convert to null, so the result of trace statement will be true.
