OH!! Really thanks for that. I got my answers now. On Feb 24, 7:21 am, green <greenlaw...@gmail.com> wrote: > Hi that's the CSS3 selection rule. You might google css selection rule for > some references. > > For your specific case: "[]" defines the rule to match the element > attribute; ^ before = means NOT. So that expression will pick up all <area> > element which "rel" attribute is not "lightbox" > > On Wed, Feb 24, 2010 at 9:43 AM, rocksoccer <rocksoccer2...@gmail.com>wrote: > > > Hi, > > I am new to js prototype. This may be a very easy question. > > > In lightbox 2 (http://www.huddletogether.com/projects/lightbox2) > > code, I find the following code I cannot understand. Please help to > > explain it. > > > var target = event.findElement('a[rel^=lightbox]') || > > event.findElement('area[rel^=lightbox]'); > > if (target) { > > event.stop(); > > this.start(target); > > } > > > It is easy to understand "findElement('a')", but what does it mean by > > the square brackets, as well as ^ just before equal? Is this a little > > bit of regular expression? > > > I don't find any document about this on prototype website. > > > Thanks in advance > > Rocksoccer > > > -- > > You received this message because you are subscribed to the Google Groups > > "Prototype & script.aculo.us" group. > > To post to this group, send email to > > prototype-scriptacul...@googlegroups.com. > > To unsubscribe from this group, send email to > > prototype-scriptaculous+unsubscr...@googlegroups.com<prototype-scriptaculous%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/prototype-scriptaculous?hl=en. > >
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