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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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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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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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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Dec 20, 2011
What options do I need to specify for the Validation plugin to simply add the error class to a specified element such as a "required" em that shows all the time. And so on to remove the class when valid.
Say we have a text input that I want to have a red border when not valid and the red border to disappear once valid. So I do not want to generate an error label.
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Sep 28, 2010
I'm trying to find a way to change the CSS class for all my many input type elements with an onclick. Is this possible? The scenario I'm trying to fit it into is below (and condensed).
Ideally I'm looking to change the style for background-color onclick, black and white in particular (hoping that the solution would mean adding more colours later).
[Code]....
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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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May 30, 2010
I want detect if the column has red or blue, add the class on it, it's like
[Code]...
but I want every column 2 below red column and column 3 below blue also add the same css, how to do it?
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Apr 11, 2011
[code]...
The above is a function I made to detect when a menu item is clicked on. The menu is made by using CSS on a ul tag's li children. Each li is a different menu item.
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Oct 19, 2010
Is there a way in jQuery to detect when a specific new element is inserted in the DOM?
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Feb 13, 2011
I have a variable that contains Form Elements. So these elements can be eitther a :text either a :check box See code below:
var currentValue = $(targetedInput).val() ? currentValue = $(targetedInput).val() : currentValue =$(targetedInput).is(':checked')
I was hopping that this line of code would assign a different value to currentValue depending on what kind of object i have. My idea was that If the current Object is a check bot it doesn t have a val attribute..
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Jun 29, 2009
I am trying to detect the DOM element on a unkown web page from thecurrent selected text on that page.Which means: I select text on a web page and then I would like to getthe dom element to which this text belongs.What I came up with was something like that: (imagin we selected theword John on that page....)var array = $("*:contains('John')"); ---> get all domelements that contain the text 'John'But, instead of returning all dom elements that contain 'John' , itreturns only the path from the HTML element to the P element thatcontains the text 'John'. (HTML->Body->P)Did I miss something ? Is there a complete different way to accomplish
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Sep 3, 2009
I'm looking for a way to detect form change in jQuery. For exemple Idisplay a big and dynamic form pre-filled with values and splitted intabs.I would like that when some form values in a tab is changed an iconappears showing that a save is needed. I also would like to have analert if the user click on the menu without saving.Is there an existing plugin or has someone already done this kind ofthings ?
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Dec 21, 2010
how do you detect if an element is visible when you use slideDown() and slideUp() to show/hide it?I have a question with five radio buttons; if no radio buttons are checked error msg displays
if (!$("input[@name='diagnosisHowLongAgo']:checked").val()) {
// display error msg;
}
[code]....
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Mar 9, 2011
I have a the next code...
In the code i chage the 'cambio' value with the next code (for example)
But never execute SacarDatos().... the event 'chage' is only for select? i think no.
How can i do it?
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Oct 28, 2011
I've obtained some server side PHP code which places the browser and version (taken from the USER AGENT string response header) in a class of my body HTML element i.e. <body class="ie ie7"> I'm using this as a CSS hook for cross browser styling.
Im running the site on Wordpress with a caching plugin which spits out a HTML version of the page. The problem is, is that the cache doesnt refresh on a per new user basis so if the first user comes in using Chrome this will get added to static file <body class="chrome"> and obviosly wont refresh if the next user is on say IE as it is now cached as a flat HTML.
I'm wondering is there a better way to do this client side and manipulate the DOM after the page has loaded? If so, anyone got any code that can do this?code...
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Jul 5, 2011
I'm relatively new to jQ and would like to determine if a named window is already open. If it is then I want to change focus to that window/tab. The scenario is this. I have a link in App1 that opens a new window to an already existing linked (related) web form in App2. If the user forgets they have that window open in App2 and clicks the same link in App1 as before (to open the related form in App2,) it opens a window that is not the same window as the original window. I need App1 to detect if a window already exists in the browser of the same name and if so, change the browser focus to it.
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Apr 28, 2011
I'm doing a very simple expand/collapse function using 'slideToggle'. The button that triggers this event simply says 'Expand/collapse'. I want this text to change depending on whether an element is visible or hidden.
[Code]...
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Jul 29, 2011
I've created a checkbox and radio button replacement plugin (URL...), and I'm trying to be as thorough as possible.One situation that I have yet to solve is if a button is given the attribute checked="checked" through some external function. I'm not sure of how to detect this event so that the replacement image is also updated. The .change() method only works when the user actually clicks on the button.The reason I am trying to work this out is because I am adding support for disabled buttons as well. From what I've seen, there are plenty of situations where a button is disabled until a user either selects something else, or fills in required info, etc., and then it is enabled (most likely through the removal of disabled= 'disabled '). If the developer has already worked that in, I don't want the implementation of my plugin to affect that. It should just work automatically.I do check the states on page load, but i'm not running any sort of loop to constantly look for changes.
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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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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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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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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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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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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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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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