Thank you.
It's was help me a lot.
I am writing a small tooltip plugin, and I use it to now when the
user click on an element inside the tooltip
Thank you again.
On 12 פברואר, 00:05, mkmanning <michaell...@gmail.com> wrote:
> I just wrote this in response to this thread and haven't checked it
> thoroughly (other than my head, which has been known to be buggy).
> I prefer to be able to pass in a jQuery object as the parent:
>
> jQuery.fn.childOf = function(a){
> return (this.length === this.map(function(){if($.inArray
> (this,a.children())!=-1){return this;}}).length);
>
> };
>
> Test in Firebug:
> <div id="gramps">
> <ul id="pops">
> <li id="kid1"><span id="subkid1">one</span></li>
> <li id="kid2"><span id="subkid2">two</span></li>
> <li id="kid3"><span id="subkid3">three</span></li>
> <li id="kid4"><span id="subkid4">four</span></li>
> </ul>
> </div>
> console.log( $('#kid1, #kid2, #kid3').childOf( $('#gramps') ) ); //
> logs false
> console.log( $('#kid1, #kid2, #kid3').childOf( $('#pops') ) ); //logs
> true
> console.log( $('#kid1, #kid2, #kid3, #subkid3').childOf( $
> ('#pops') ) ); //logs false
> console.log( $('#pops').childOf( $('#gramps') ) ); //logs true
> console.log( $('#pops').childOf( $('#pops') ) ); //logs false
>
> On Feb 11, 1:45 pm, Ricardo Tomasi <ricardob...@gmail.com> wrote:
>
>
>
> > 'return true' inside the each callback works like a 'continue',
> > skipping to next iteration. The value is never returned to the outside
> > scope (would break chaining).
>
> > cheers,
> > - ricardo
>
> > On Feb 11, 6:33 pm, Ami <aminad...@gmail.com> wrote:
>
> > > You can shave a few ms, and memory:
> > > ***************************************
> > > jQuery.fn.childOf = function(a){
> > > this.each(function(){
> > > if (this.parentNode == a) return true;
> > > });
> > > return false;});
>
> > > ***************************************
>
> > > On Feb 11, 8:18 pm, Ricardo Tomasi <ricardob...@gmail.com> wrote:
>
> > > > You can shave a few ms off that by using the current object itself,
> > > > and cacheing the other element:
>
> > > > jQuery.fn.in = function(a){
> > > > var a = $(a)[0];
> > > > return !!this.parents().filter(function(){ return this ===
> > > > a;}).length;
>
> > > > };
>
> > > > Also be aware that this actually checks if the element is a
> > > > *descendant* of the other, not just achild. For a simple (and faster)
> > > > 'childOf' check use this:
>
> > > > jQuery.fn.childOf = function(a){
> > > > var p = false;
> > > > this.each(function(){
> > > > if (this.parentNode == a) p = true;
> > > > });
> > > > return p;
>
> > > > };
>
> > > > cheers,
> > > > - ricardo
>
> > > > On Feb 11, 1:56 pm, Ami <aminad...@gmail.com> wrote:
>
> > > > > The Best solution:
>
> > > > > I have writed a very small plugin (1 line) for that, by using the code
> > > > > of Richard
>
> > > > > jQuery.fn.childOf=function(a){var b=this;return ($(b).parents().filter
> > > > > (function() { return this === $(a)[0]; }).length )}
>
> > > > > For Example:
> > > > > $("div").childOf(document.body)
> > > > > $("div").childOf($(document.body))
>
> > > > > I hope that there is no bugs in this code.
>
> > > > > On 22 ינואר, 11:25, "James Hughes" <j.hug...@kainos.com> wrote:
>
> > > > > > Hi,
>
> > > > > > This is probably a really easy question an I apologise if it appear
> > > > > > stupid but I am clueless right now. Given 2 jQuery objects (a,b)
> > > > > > how can I tell if b is achildof a?
>
> > > > > > James
>
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