ClassName Change Not Working
May 29, 2006
I was just battling a small dHTML quirk where I was attempting to set
the className attribute of option elements, but it didn't seem to be
updating. I did some testing with other elements and came to find the
problem was not in my code at all, but rather in my logic...
I had a dehighlightAll(selectBox) function in my code library and
decided to use this to reset all the options to white backgrounds.
This worked fine with my previous method where I explicitly set the
style.background attribute of the options. But when I wanted to use
className instead, everything mysteriously stopped working. I thought
there must be something wrong with className and started
investigating....
I eventually came to the realization that if you explicitly set a style
element, it won't be overridden by the className. This was an
oversight on my part and thought that it might be useful to post about
it, because it could be easy to miss and I haven't seen any posts about
it.
It really comes down to the CSS order of precedence ... that is the
style field modifies the inline style of the object, while the
className references a class ... and as CSS precedence dictates, inline
styles override all others. So this is a word to the wise to be
careful if you're ever mixing className and style elements...
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Jan 14, 2009
I'm trying to change the classname of all of the tabs with a function.
Here's the code:
Code:
The script doesn't work at all.
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Feb 19, 2009
I am using some code I found on the internet to make all my external links in a new window. Also, I want to make these links gray. I think I once heard you coulden't change link colors at all once a page was loaded, but I may be wrong. In any case, it won't work.
Here is my code:
Now I find I can't make them open in a new window either.
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Feb 16, 2011
i need a webpage with a lot of input:text and select:option. each modification on an element must be immediately validated through ajax. for this reason, the best choice i've found is to add a form element around each box. and use the classname of the input:submit button to identify the form instead of the ID of the form.
the submit button is hidden so the default choice to validate the form is to press enter after modification in the cell. however, as it works perfectly in FF and Opera, nothing happens on IE and Chrome.
[Code]...
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Dec 7, 2011
[URL] this works in firefox but in ie I get an error Webpage error details
[Code]...
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Dec 15, 2010
I have a series of paired <select> objects. By paired I mean the <option> values of one is dependent on the state of the other via an ajax call. Something like:
[Cdoe]..
Here's where the bizarre behavior happens. If I trigger a change event for "primary" classes, i.e. $('.primary').change(), only the LAST "secondary" gets changed. For the list above only $('#number_six') would be dynamically filled. I tried using $('.primary').each(function(){ blah }) instead but got the same result. I read somewhere that some change events are only registered when the object is no longer in focus, so I tried adding .blur() to the end of the statement.
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Jul 23, 2005
I have written a script that highlights a table row when the appropriate checkbox is checked. Using element.style is a bit messy and doesn't really fulfil my needs..
I want to just be able to use className, but when I uncheck a row I am having difficulty restoring the original (when the page loaded)className, I need to do this because the rows have different styles Is their any other way to access the original className of an element?
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Mar 11, 2006
I create an xml file in a text editor:
<?xml version="1.0" encoding="utf-8"?>
<elts>
<elt id="1" class="c1">content1</elt>
<elt id="2" class="c1">content2</elt>
</elts>
Then I load the file via xmlHttpRequest into xmlData variable.
Why does xmlData.getElementById(Ƈ') return null and
xmlData.firstChild.childNodes[0].className returns null also?
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May 26, 2011
I have an menu [unsorted list (ul)] with month named li. This li have also an anchor nested with a class with the month name
<ul>
<li><a>Test</a>
<ul>
<li><a class="januar">Januar </a></li>
[Code]....
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Jun 12, 2009
I'm new to Jquery and I was wondering if this feature exists anywhere. the animate() function where instead of parameters you pass in a classname and it reads the parameters from available css definitions. I am trying to keep my css specifics out of my javascript files.
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Dec 4, 2010
I'm trying to update a part of my page depending on the option selected from a drop down menu. A few of the options can trigger this event. So to do this i've given those options a class name, that i can check against when they're selected. eg...
Code:
So if 'test2' or 'test4' are selected it will check if the class name is present then do the rest. But I cant get the class name from JQuery. I've tried..
Code:
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May 6, 2011
I am working on a AJAX autocomplete script and the autocomplete is working, but I would like to add some more functionality to by adding navigation through the list with the UP and DOWN arrow keys. I seem to have the javascript working where when I press down one of the arrow keys it seems to change the className, but it immediately will change the className back to the original className.
Code:
document.onkeypress = KeyCheck;
var HighlightSelection = -1;
function KeyCheck(e){
[code]....
I know that the function "setHighlightSelection" is very basic, but it's being used for testing purposes.
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May 25, 2011
I am working on a AJAX autocomplete script and the autocomplete is working, but I would like to add some more functionality to by adding navigation through the list with the UP and DOWN arrow keys. I seem to have the javascript working where when I press down one of the arrow keys it seems to change the className, but it immediately will change the className back to the original className.Would anybody be able to tell me why this is happening?
Code:
document.onkeypress = KeyCheck;
var HighlightSelection = -1;
[code]....
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Aug 16, 2011
I have a website with a list of products and I'm trying to apply a different classname to each product image to show a different picture frame around each one. Let's say I'll have 8 different frames.
Example:
<div class="frame1">...</div>
<div class="frame2">...</div>
<div class="frame3">...</div>
etc...
but when I'm up to 8 I want to start from 1 again if there are more than 8 products available.
How do I go about doing this? I tried something with a for loop but it was giving each product all the classes (class="frame1 frame2 frame3 frame4..."
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Mar 31, 2011
I want to get all element which have the classname 'blaat'. So i tried using 'each()', but for some reason it isn't working...
This is the code i have:
jQuery.each ( 'li.blaat', function(){
alert('aaa');
});
I only have 2 elements with the classname 'blaat', but it gives me 9 times an alert message... Am i using the function wrong here??
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Jan 29, 2011
I'm usingjEditable to make an editble select to update my database. I have an lot of selects to create but I don't want to expand the code that much.This is my existing code to save changes to my database with an select with jEditable [code]What I want to achieve is to rename the class to editable_ select |select_ bet_ termijn and use this class at 2 positions in the jEditable code:
- editable_selec = name of class
- select_bet_termijn = name of data (= array)
How can I split the class name using the | seperator and insert the new varibales [0] / [1] in the code?
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Jul 11, 2005
When using instead of this line (to change style of element)
document.getElementById('ImgId'').style.visibility = "visible";
one would use (to change class of element)
Does className change the class="imgHidden" into "makeImgVisible" here?
document.getElementById('ImgId').className = "makeImgVisible";
.imgHidden {visibility:hidden;}
.makeImgVisible {visibility:visible;}
<img src="myImg.jpg" alt="" id="ImgId" class="imgHidden" width="200" height="200">
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Dec 28, 2009
I need to select all the divs having the classname starting as msg_body. actually the classname is msg_body_3. The last part of the class name of each div will vary as it is an id. How can i slideup all these divs, class name starting with msg_body using jquery.
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May 10, 2010
I've just recently become enlightened by jQuery and would like to add it to my site, but I'm having a little trouble. I made this basic function:
function showPanel(id) {
var panel = $(".further_info." + id + "");
panel.slideToggle();
$(this).toggleClass("minus");
$(this).toggleClass("plus");
}
To give an example of its use:
<a class="panel_control plus" onclick="showPanel(0);"></a> <div class="further_info 0"></div>
The panel is displayed correctly, but the classname of the link isn't toggled between "plus" and "minus."
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Oct 11, 2011
I have an onclick that does things and changes the className of my 'logo' div. All of the background images for div id 'logo' are styled by external CSS. A button I setup with addEvent alerts the className of 'logo' correctly but the 'logo' background doesn't change?index.css
Code:
#logo { position:absolute; left:0%; top:0%; width:99.8%; height:24%; background-color:#fdd841;
[code]....
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Nov 15, 2011
I've been using this javascript (menu.js) for a drop down navigation menu for my site. Everything works well on it but in multiple browsers I get this error occurring on line 7 and 16 which is the d.className = "menuHover"; and d.className = "menuNormal";
[Code]...
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Oct 20, 2011
I'm trying to grab all the cells created with insertrow function and the className 'rowtotal' and get their innerHTML to equal that of a cell with id 'subtotal'. This is a simplified html code of single cell inserted rows:
index.html
HTML Code:
<tfoot> <tr id="footsubtotal"> <td id="subtotal">$ 75.00</td>
//all cells of class "rowsubtotal" must have same innerHTML as this.
</tr>
[Code].....
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Jul 17, 2011
I am working on a script that seems impossible to work. I want to click on a link, and if the .text() is the same as a classname of a div, I want to do stuff with the div. The problem is that I can't imagine how to set up the if-state. Right now the script is like this:
$(document).ready(function(){
var filterTrig = $('#sortPort a').html();
$('#sortPort a').click(function() {
$('.listItem').each(function(){
if (!filterTrig == $(this).hasClass(filterTrig).html()){
$('listItem').addClass('test'); //later on, animations
}} return false; }); });
The script runs here: [URL]. I have turned off all other javascript to work only with this, if the site seems broken. The filterbox to the left will filter the div items listed to the right. All "boxes" in the list is a div with classname listItem + classes equal to the a.text() in the filters (leftbox). It is thoose divs I´m trying to animte with clicks.
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Feb 18, 2010
I've been trying to get this script working to change a couple attributes in the CSS but it hasn't been working.
It's supposed to change the left and right margins of the #content tag if the resolution is greater that 1024x768. The text doesn't seem to want to stay in the center.
Heres the code:
<!--
if (screen.width > 1024)
{
ChangeCSS('#content','marginLeft','28%');
[Code]....
The CSS code is all inline because this is a tumblr and I don't have a place to host style sheets.
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Oct 22, 2010
This seems pretty straight forward, but I have no idea what it isn't doing anything.
[code]$kuj('#tl_email').change(function() {
alert('work?');
})[/code]
I have a input box of type text with an id of 'tl_email'.
[code]<input id="tl_email" name="tl_email" type="text" />[/code]
Currently this function is doing nothing (or at least I assume so since I am not seeing the alert). I feel like I am missing something incredibly basic but I can't figure out what.
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Feb 8, 2010
<img id="who" class="who" src="who.jpg" alt="Warriors Chosen For Battle" title="Warriors Chosen For Battle">
<img id="chosen" class="selector" src="selector.jpg" alt="Click for next image"
[Code]....
Yeah so basically when I click on one of the selector images I want it to change the value "who" images src value. I'm making an image selector, it works fine in IE, but every other browser it refuses to do anything.
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