JQuery :: Check If There Is An Element With A Particular Class?

Nov 26, 2010

Is there an easy way to check if there is an element anywhere in the DOM with the class 'ui-selected' ?

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JQuery :: Firebug Shows The Updated Class Of An Element But Live() Function Takes The Old Class?

Jul 2, 2009

I am new to this discussion but hope you would post reply for my query and encourage me to keep in touch with this discussion. Well here is my problem. I have made an edit in place form in which we can add and remove the elements. I have used jquery.jeditable.mini.js and jquery.duplicate-remove.js plugins for edit in place and add and remove action. I have live() function to access the dynamically ganerated elements like this. $(".addressDiv span").live("mouseover", function(){
clickable function here...

[Code]...

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JQuery :: Css Class As Variable - Change The Css Class Of Li Element From Name Hidden To Variable FilterVal

May 26, 2010

I just dont know the right syntax for this:

I want to change the css class of the li element from the name hidden to the variable filterVal, but i dont know the right syntax.

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JQuery :: Check Single Class From Multiple?

Jun 17, 2010

Way I can get at a single class when many are defined? [code]...

The script above doesn't work because the class has multiple definitions i.e.

class="tags current"

Is there a way to easily find a single class out of many?

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JQuery :: Check If <li> Is Last Subling And Change Class Of All?

May 16, 2011

In my effort as a javascript newbie i'm trying to create a nothing too special progress bar. I'm this far that the li's (bars) get a different color after another, but in the end it needs to change all bars back to the original class and start over. How do I accomplish this?

See [URL]

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JQuery :: Creating New Custom Rule To Check If Button Has Class

Oct 19, 2009

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000000">

I'm trying to create a new validation rule to check if a button has a class. I try to explain the scenario. I have a button that makes an ajax call to check the availability of a product. When the app loads the button as class "to_check", when the button is clicked an ajax call is fired, a server script return the availability of the product and basing on this answer I change the class of the button from "to_check" to "ok" or "ko". Now I want to validate the button to se if the availability is being checked and is ok, then I wrote this:

<pre>$.validator.addMethod('hasClass', function(value, element) { if($(element).hasClass(value)) {
return true;
} else {
return false
}},
jQuery.format('Please check the button'));</pre>

Now I want to add this rule to the button with the metadata plugin inside the class name with this syntax:
<pre id="line175"><span id="__firefox-tidy-id"
style="background-color: rgb(221, 221, 255);"><<span
class="start-tag">input</span><span class="attribute-name"> type</span>=<span
class="attribute-value">"button" </span><span class="attribute-name">name</span>=<span
class="attribute-value">"verifica_disponibilita" </span><span
class="attribute-name"> .....

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JQuery :: Validate Form - Check For Invalid Class Within Container

May 5, 2010

I'm running validation on a form that has two components, a payments segment and an address segment. Both of these need to be within the same form. By default, the address segment is hidden. Upon validation, I would like to display the payment segment, but only if there are validation errors within that segment. Using invalidHandler, I've been able to successfully fire a function when errors are returned, but I haven't found a way to check if there are errors within that container. My plan was to check for the invalid class within that container... something like this:

$(#formname).validate({
invalidHandler : function() {
if ($('.client_validation').length)
$('.billingAddress').addClass('showForm');
}}});
The problem is that the invalid class (.client_validation) isn't applied when the invalidHandler function is executed.

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JQuery :: Add Class To Different Element?

Sep 15, 2010

I'm relatively experienced with jQuery (not a guru but not a newbie) but am wondering how I can write a script where if one element is hovered over then a different element on the page has a particular class added to it.

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Jquery :: Add A Class To Every 4th - 1 Element?

Aug 3, 2009

I need to add class zebra to the <li> elements with the content next to them.This is as far as I've got, but I'm not sure what calculation to use:

$("li").each(function(index){
if(index % ??? == 0) { // <-- not sure what to put here
}
});

[code]....

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Set Dom Element Class (if Element Was Dynamically Created)

Jan 25, 2006

hi everybody, didn't find this using the search :( this is my problem:
i create a dom element dynamically (<span>) and want to assign a class
attribute to it such that it has some css style, this works in ie, but
not in firefox :( here's the simple code:

<div id="somediv"></div>

var div = window.document.getElementById("somediv");
var span = window.document.createElement("span");
span.innerHTML = "span";
span.attributes.getNamedItem("class").nodeValue = "span_class";
div.appendChild(span);

so this works well in ie6, but firefox gives this error:
Error: span.attributes.getNamedItem("class") has no properties

if i run this code on a statically defined span (in the html file),
where a class attribute already is set:

<div id="somediv">
<span id="spanspan" class="">
</span>
</div>

changing the class to "span_class" works both in ie and firefox.

how can i fix my above code such that it works in both browsers? it
seems that on newly created dom elements the class attribute isn't even
there (to change it), how can i create it, and then change it?

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JQuery :: Accessing An Element Using ID And Class?

Dec 5, 2011

I am trying to access an element in a page using ID using jquery in when the document is ready.But the problem is the length is always 0 even if the script tag is in the head or right at the bottom of the page. The element is seen rendered when I see it using FireBug.an someone point out where I am making a mistake accessing the element

$(document).ready(function() {
alert('Hello World");
$('#id').live("click", function() {

[code]....

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JQuery :: Add Hover Class To Element?

Oct 13, 2011

I have the following markup:

<div class="Field">
<label for="City">City</label>
<input type="text" id="City" name="City" value="">
<ul>

[Code]....

not sure if this is the best way. Can I improve it?

However I am having problems in adding (2).

Basically I think I need:

$(this).closest("div.Field"). Label or span.Label that are not inside LI.addClass("Hover")

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JQuery :: Find Element With Same Class Name?

Oct 7, 2010

This is probably a dumb question (noob) but I cannot seem to find the answer, either here or on StackOverflow or even Googling...

All I want to do is, when clicking on an element, find any other elements with the same class name (and show/hide or do something with them).[code]...

But I need the class name to be a variable so this function is reusable.

What am I doing wrong?

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JQuery :: Getting The Index Of An Element With A Given Class?

Aug 11, 2010

I have a bunch of elements with multiple classes like this:

<div class="foo bar">
<div class="foo bar snafu">
<div class="foo bar">

I can get all these elements in an array like this:

$ (".foo,.bar")

My question is - is there an elegant way of getting the index (in this array) of the element that has the "snafu" class? Or should I just iterate through the array until I find the wanted element and then remember its index?

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JQuery :: Read The Class Of An Element?

Jul 25, 2009

This is what I have:

function ShowHide(){
$("#navigation_sub").animate({"width": "toggle"}, { duration: 500 });
}

[code]....

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JQuery :: Manipulate The Next Element With A Class ?

Jul 15, 2009

Is there a non-structure specific way of finding the next element with a given class? for example you have a structure of:

When you click on the link in container1 the expected behavior is to change the css on a1 in container2 but not in container1 or container3. I have tried playing with parent, next and filter without success. this is the best I have is:

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JQuery :: Removing A Class From A Nth Element?

Oct 27, 2011

I have table that has four columns and many many rows. It is quite long. I need to add a special divider (border) between each td cell. I thought I could create a css style .border_right and apply it to all td cells using jquery addClass() and then remove the class from the fourth td cell in each row so it does not add to or affect the outside border of the table.

My question is, how do I remove the class from the fourth td of each row using jQuery? I figure there has to be a shortcut way (one or two lines) to do this using jQuery so I don't have to manually add a 'class="border-right"' to each td I need it on.

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JQuery :: Selecting A Class Within An Element?

Sep 7, 2010

I need to select a class within an element. the class is generated by the code using .addClass. I suspect this is actually really easy and I'm just being stupid,

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JQuery :: Check Visibility Element?

Jul 9, 2010

jquery i have a problem like

$(document).ready(function(){
$("dd:not(:first)").hide();
$("dt a").click(function(){

[code]...

my code always call when i click "dt a" but i dont want like this. i want like that if i click element visible don't do anything. my code call when i click element "dt a" unvisible.

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JQuery :: Check That Certain Element Does Not Exist?

Mar 14, 2011

I am dynamically creating CheckBoxes DropDoenlist with certain set of values of not all of then are created any time.But in Script i want to get sure whether that element has been created or not. So how can i check for radio button list and dropdown list.Below is the code for my dynamic list creation:

sbp1+="<select id='locationOption' class='reg_select'>";
sbp1+="<option>Location one</option>";
sbp1+="<option>Location two</option>";

[code]....

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JQuery :: Check If An Element Is Done Loading?

Jun 5, 2009

how I can implement the following using jQuery 1.3 and whatever plugins may help. I need to insert an iframe or img that links to an external resource onto a page, and if that iframe or img does not load within a certain period of time, remove it and insert one that links to a local resource instead. how to check if the iframe or img is done loading.

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JQuery :: Add Class To Html Element Dynamically?

Dec 9, 2010

I have tag something like

<div class='abc'>

using jquery i want to change the class dynamically.

i saw the jquery reference, it has something hasClass, but i donot see addClass.

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JQuery :: Adding Class To All Divs Not Containing An Element

Jul 26, 2010

I need to add a class to every div (with ID #myDiv) NOT containing an <li>-Tag.

I have:

Line 5 doesn't add the class to the div.

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JQuery :: Change Class Of The Mother Tr Element

Jul 5, 2011

The competition is that there is a table width a heckbox inside and if the ckeckbox is checked the tr of this checkbox should get class "sel" and remove this class if it get unchecked. So the problem with the actual code is that everytime a new checkbox got checked the <tr> of the checkbox which was checked before losts the class "sel" and just the last checked checkbox will get it. Do you have an idea how the could must look like to get it work?

Html like this:

<table>
<tr><td><input type=”checkbox” class=”cbU”></td></tr>
<tr><td><input type=”checkbox” class=”cbU”></td></tr>
<tr><td><input type=”checkbox” class=”cbU”></td></tr>
<tr><td><input type=”checkbox” class=”cbU”></td></tr>

[Code]....

Even if the else will be deleted the problem is stil there so the failure must be in my code.

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JQuery :: Detect Element Class Change?

Jan 31, 2011

I have some legacy code that creates an image carousel and outputs AFTER the document head has been output - the CSS for this was being aded to a style block within the <body> which although worked is not compliant. I am trying to use jquery to set the css, but one part if failing. This is the original css :

#div_tab_one a:hover { .... }
#dic_tab_one .selected a {...}

How can I inject this css ? the selected class is set by some YUI code and rotates through the carousel setting/unsetting the "selected" class.

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JQuery :: Detecting When LI Element Class Change

Jul 15, 2010

I am trying to change to change the background of a li element when its own class is changing
i tried :
$("ul#slide-nav li").each(function() {
if ( $(this).hasClass("selected") ){
$(this).css("background-color","black");
}else{
$(this).css("background-color","gray");
}});
This seems to be working I think., but once the class change again it doesn't work.. how can it loop for ever?

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