On Feb 21, 9:18 am, Remi Grumeau <[email protected]> wrote:
> On 21 févr. 2011, at 00:00, RobG <[email protected]> wrote:
>
> > On Feb 20, 6:16 am, "Rémi Grumeau" <[email protected]> wrote:
> >> Related to this "problem", here is a iUI modification i'd like to
> >> submit to the list for reviewing.
> >> If an anchor link has the prefix "iuist-" (which stand for iui scroll
> >> to), iUI will not try to go navigate with ajax to a screen but will
> >> use default browser behavior.
>
> > Why not just allow anchors to behave as anchors? If an href starts
> > with # and there is an A element in the page with that name (i.e. you
> > find an href to an anchor), let the browser scroll to it.
>
> Didn't thought about it, pretty good point! I should prototype that.
> But I think what would "cost less" browser memory usage would be to check if
> new anchor value is an existing screen (then perform followAjax() as now) and
> if not, just perform default browser behavior.
> Result would more or less be the same but wouldn't require parsing current
> screen DOM to find all a elements and test each name values.
You don't have to parse anything, use getElementsByName, e.g.
var isAnchor = (function() {
var re = /^#/;
return function (s) {
if (re.test(s) &&
document.getElementsByName(s.replace(re,'')).length) {
// s is an anchor
alert(s + ' is an anchor');
return true;
}
alert(s + ' is not an anchor');
return false;
};
})();
If you want to be certain, you can iterate over the collection
returned by getElementsByName to see if one has tagName A.
--
Rob
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