Talk:XPath
From MozillaZine Knowledge Base
asquella, why did you write 'Note that you shouldn't use this function if you expect to get a long list of results from it.' --grimholtz
- That function copies query results to an array, taking additional memory and CPU cycles. I wouldn't use it at all, but for simple queries I think that simpler interface is worth the overhead. (Not that I've done any profiling.)
- Related example (though not completely applicable): try opening JS Console when it has a lot of entries asqueella
