I have to write a specific selector in jQuery it has to choose all elements in numeric list (with given class "a") which has class "b" and no links inside. And them give them certain class(which give them certain formatting).
So for example for such list:
<ol class="a">
<li>List element</li>
<li class="b">List element</div></li>
<li class="b">List element</a></li>
</ol>
Only the last element should get that class.
Though when I tried to do it like this:
$('ol.a li.b:not(a)').addClass('someclass');
then the second element gets that class too.
I also tried to do this with space before ":not(a)", but this way nothing get that class.
Is this what you're looking for? I think I understood what you were asking. Please let me know if it's not so I can amend my answer. :)
Essentially 'ol.a li.b:not(:has(a))' means to search for an ordered list with a class of a, with any descendent li item with a class of b that doesn't have any children that are an anchor a.
const nonLinks = $('ol.a li.b:not(:has(a))');
nonLinks.addClass("red");
.red {
color: red;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ol class="a">
<li>First</li>
<li class="b">Second Element</li>
<li class="b">Shouldn't Be Included</li>
</ol>
Related
I have HTML structure like this:
<div class="parent">
<div class="child">
<div class="something">...</div>
</div>
<div class="child">
<div class="something-else">...</div>
</div>
<div class="child">
...
</div>
...
</div>
I catch events (like click) on .child elements like this:
$('.parent').on('click', '.child', function() { ... });
However, I would like to get rid of explicit class specification and base on the fact of direct ancestry itself.
I want to write the code which would not require any particular classes for children elements. Closest thing to this is:
$('.parent').on('click', '*', function() { ... });
But obviously such handler will spread on deeper descendants (.something, .something-else etc.), not only on the first level.
Is there a way to acheive what I look for, being it using something instead of * or some other way?
P.S. I don't want to use direct binding - $('.parent').children().click(function() {...}); - as it is slower and will not work in case of children being dynamically added.
The selector sought for is > *:
$('.parent').on('click', '> *', function() { ... });
(The actual solution was suggested by Josh Crozier in the comments, I just reposted it as an answer.)
I am using Twitter Bootstraps "dropdown menu" on WordPress for some widget I created and it works fine. But I want to change the icon to "minus" when it drops the content and when another "plus"-icon is clicked the "minus" should close. At the moment it will only toggle the current "plus".
<div class="dropdown toggle-details">
<img src="">
<h3>title</h3>
<h4><subtitle</h4>
<a class="dropdown-toggle my-btn" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true"><i class="fa fa-plus-circle"></i></a>
<ul class="dropdown-menu" >
<li> <h6>item 1</h6></li>
<li><h6>item 2</h6></li>
</ul>
</div>
my script is
jQuery('a').click(function() {
jQuery(this).find('i').toggleClass('fa-minus-circle');
jQuery(this).find('fa-minus-circle').toggleClass('fa-plus-circle')});
You're missing a dot in your jQuery, so right now jQuery is looking for an html element with tag name fa-minus-circle within the "a" element. And obviously not finding it.
jQuery(this).find('.fa-minus-circle').toggleClass('fa-plus-circle')...
actually that probably won't fix it either, because after that statement you'll end up with both classes on the i element. I guess you could work around that with css, but cleaner would be to have the "i" element default to a + icon, and then toggle a more semantic class name like "open".
So css:
i { /* show plus icon */ }
i.open { /* show minus icon */ }
And jQuery:
jQuery("a").on("click", function() {
jQuery(this).find("i").toggleClass("open");
});
Heh - now that I just typed everything out I see what you were doing with that second statement. So yeah, you just need a dot so jquery looks for the classname not the element.
Can I execute that line of code
nav = request().path().toString()
inside of scala template like index.scala.html
I would like to have that code to check on witch side is user and to mark it on menu
using code like this in main.scala.html:
<li class="#("active".when(nav == "contact"))">
Contacts
</li>
I would recommend you different approach, create tag - resuable template, which takes Integer as an argument,
it will render menu and mark as an active different menuitem depends on value.
#(menuItem: Int)
<ul >
<li #if(menuItem==1){ class="active" } >
////
</li>
<li #if(menuItem==2){ class="active" }>
</li>
<li #if(menuItem==3){ class="active" }>
///
</li>
</ul>
from your contact page and any other page, call this tag with corresponding value, #views.html.tags.menu(1)
You can define variables like that if that is your question. If it is not your question than please try to explain your problem in more detail.
#nav = { #request().path().toString() }
I have a page of nested ULs and LIs, I need to get the last LI of each UL, so I'm doing:
$('li:last-child')
this works great.
But I need to extend this so it gets the last child LI of each UL, where the LI doesn't have a given class (x). For example:
<ul>
<li class="x">1</li>
<li>2</li>
<li class="x">3</li>
<li>4</li>
<li>5</li>
<li class="x">
6
<ul>
<li class="x">7</li>
<li>8</li>
<li class="x">9</li>
<li>10</li>
<li>11</li>
<li class="x">12</li>
<li class="x">13</li>
</ul>
</li>
</ul>
I need to return LI 5 and 11 (as these are the last children within their parent ul that don't have .x)
How can I do this elegantly?
Use the map()(docs) method to create a jQuery object by iterating over the <ul> elements, and returning the last child <li> element without an x class.
Example: http://jsfiddle.net/e2Da7/2/
var lastLisNoX = $('ul').map(function() {
return $(this).children('li:not(.x)').get(-1);
});
EDIT: Updated my jsFiddle example with the HTML that was posted in the question.
Filter out the elements with a class.
$('li:not(.x):last-child')
If the classes are different amongst the li elements, that is if all the elements are not class="x" then something like
$('li[class=""]:last-child')
I have 4 divs with content like below:
<div class="prodNav-Info-Panel">content</div>
<div class="prodNav-Usage-Panel">content</div>
<div class="prodNav-Guarantee-Panel">content</div>
<div class="prodNav-FAQ-Panel">content</div>
And a navigation list like this:
<div id="nav">
<ul id="navigation">
<li><a class="prodNav-Info" ></a></li>
<li><a class="prodNav-Usage" ></a></li>
<li><a class="prodNav-Guarantee"></a></li>
<li><a class="prodNav-FAQ" ></a></li>
</ul>
</div>
When the page is first displayed I show all the content by executing this:
$('div.prodNav-Usage-Panel').fadeIn('slow');
$('div.prodNav-Guarantee-Panel').fadeIn('slow');
$('div.prodNav-FAQ-Panel').fadeIn('slow');
$('div.prodNav-Info-Panel').fadeIn('slow');
Now, when you click the navigation list item it reveals the clicked content and hides the others, like this:
$('.prodNav-Info').click( function() {
$('div.prodNav-Info-Panel').fadeIn('slow');
$('div.prodNav-Usage-Panel').fadeOut('slow');
$('div.prodNav-Guarantee-Panel').fadeOut('slow');
$('div.prodNav-FAQ-Panel').fadeOut('slow');
});
So what I have is 4 separate functions because I do not know which content is currently displayed. I know this is inefficient and can be done with a couple of lines of code. It seems like there is a way of saying: when this is clicked, hide the rest.
Can I do this with something like $(this) and $(not this)?
Thanks,
Erik
In your particular case you maybe able to use the .sibilings() method something like this:
$(this).fadeIn().sibilings().fadeOut()
Otherwise, lets say that you have a set of elements stored somewhere that points to all of your elements:
// contains 5 elements:
var $hiders = $(".prodNavPanel");
// somewhere later:
$hiders.not("#someElement").fadeOut();
$("#someElement").fadeIn();
Also, I would suggest changing the classes for your <div> and <a> to something more like:
<div class="prodNavPanel" id="panel-Info">content</div>
....
<a class="prodNavLink" href="#panel-Info">info</a>
This gives you a few advantages over your HTML. First: the links will have useful hrefs. Second: You can easily select all your <div>/<a> tags. Then you can do this with jQuery:
$(function() {
var $panels = $(".prodNavPanel");
$(".prodNavLink").click(function() {
var m = this.href.match(/(#panel.*)$/);
if (m) {
var panelId = m[1];
$panels.not(panelId).fadeOut();
$(panelId).fadeIn();
return false; // prevents browser from "moving" the page
}
});
});