It is indeed an invalid tag, but given the list of valid div tags is, iirc, "class,id,title", there isn't a lot of wiggle-room there. Non- functional attribute declarations on a div usually provide an easier and faster method of dynamic event access than traversing full- declaration classes or generic identifiers, near as I've been able to tell.
Is there any major problems you're aware of with this kind of dom pollution that have a negative impact on ease or performance? On Mar 31, 3:05 pm, "Andy Matthews" <li...@commadelimited.com> wrote: > One problem with that approach is that you're polluting the DOM with invalid > markup. Rel is not a valid attribute of the div tag. > > andy > > -----Original Message----- > From: jquery-en@googlegroups.com [mailto:jquery...@googlegroups.com] On > > Behalf Of Eric Garside > Sent: Tuesday, March 31, 2009 1:57 PM > To: jQuery (English) > Subject: [jQuery] Re: A general Javascript question: duplicate IDs in a > document? > > A best practice I've adopted is to utilize classes and ref/rel attributes on > dom elements for situations like you're describing. > > <div class="event-phase" rel="1"></div> > <div class="event-phase" rel="2"></div> > <div class="event-phase" rel="3"></div> > <div class="event-phase" rel="4"></div> > <div class="event-phase" rel="5"></div> > > Instead of > > <div id="event-phase-1"></div> > <div id="event-phase-2"></div> > <div id="event-phase-3"></div> > <div id="event-phase-4"></div> > <div id="event-phase-5"></div> > > On Mar 31, 12:31 pm, brian <bally.z...@gmail.com> wrote: > > An ID should be unique. That's why it's callled an ID (IDentifier). > > Repeating an ID in a page will cause problems for any DOM work. > > > For your purposes, you might do something like: > > > <div class="Foo" id="foo_1"></div> > > <div class="Bar" id="bar_1"></div> > > <div class="Foo" id="foo_2"></div> > > <div class="Bar" id="bar_2"></div> > > > On Tue, Mar 31, 2009 at 12:24 PM, riotbrrd <k...@riotbrrd.com> wrote: > > > > I realize this is not jQuery specific, but I figured you guys might > > > have some good advice... > > > > I often find myself wanting to assign the same ID to multiple > > > elements in a document -- typically when there are several versions > > > of an element which display at different times. Is there a good > > > reason NOT to do this? If so, what's a better practice? > > > > thanks, > > > Kim
