Change CSS Class Property Using Javascript?
Jul 23, 2005
I have several tags on a webpage of the same class. If the user clicks a
specific checkbox I'd like to be able to alter the display property of the
class, affecting all objects of that class.
This is an intranet application so we know that javascript will be enabled
and the browser will be IE.
How can I affect all the members of this class? Is there a way I can toggle
the DISPLAY property of a class so all the elements using that class would
be affected? Code:
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Feb 15, 2012
The script is working, tab-content is changing but when clicked a tab I want to change class property of the li of active tab as class="current"How can I do it
<ul class="nav-content">
<li class="current first-li"><a href="#tabs-1">tab 1</a></li>
<li><a href="#tabs-2">tab 2</a></li>
[code]....
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Dec 11, 2003
I have following css code in a html file:
<style>
.myClass { color:red; }
</style>
How can I extract the value of the property "color" from the class "myClass"?
Pseudo-code (which of course doesn't work), so you get the idea:
<input type="button" onclick"alert('The CSS color is '+document.style.myClass.color)">
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Jul 5, 2011
I have the following situation:In CSS:
[Code]...
How can I get the CSS properties from such "class inheritance" set-up? More in particular, how can I get the marginLeft from the class "combination" .northSouth.ambiPixelBox? I tried the following in jQuery, but that failed:
[Code]...
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Apr 30, 2009
For some reason I cannot get jQuery.css('name') to return a style property that was assigned by a class. However, it returns the property if it was assigned by style="". Has anyone else run into this issue? Bug?
Here is my test code:
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Oct 27, 2006
I could use a hand changing the display property of a group of objects based on classname. What I have here doesn't work; perhaps you can see why? I think the basic problem is that I don't know how to access the objects properly.. Code:
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Mar 28, 2007
I have developed a script that change the font size in css, but only
the attribute "font-size" on the body tag, not change the entire
active stylesheet.
When i click to change the size
<a href="#" title="Change Font Size"
onclick="cambia_font_size(2);">A</a>
It works fine, but when i try to check the cookie to set the default
font size, it does not work.
The cookie stores the value correctly and i can read the value. The
problem is when i try to change the value:
document.getElementsByTagName("body")[0].style.fontSize=tam;
I have tried also writing this code at the end of the html document
but it doesnt work
<script type="text/javascript">inicializa_fontsize();</script>
What could happen? Code:
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Aug 11, 2009
I have a JS script that presents a series of "pages" with different questions inside a single HTML file, by rewriting certain <div>s. I have an object like this that contains the questions and information about answer labels etc (the idea is that this should be easy to modify for someone who doesn't know JS):
[Code]...
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Nov 23, 2010
I have this simple manual photo slide show. It shows four photos and when you click the next button and it moves one photo over and one photo back for the previous button. I have to moving by changing the CSS property of 'left' by 195 pixels each move. So for it to move next it will subtract 195 pixels from the left property and for moving back it add 195 pixels to the left property. I have the code setup so when you click it changes the property of left to either -195 or 195 pixels but I need it so it actually does the math, not just give it a set value. But I don't know how to do that.code...
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Jun 8, 2009
I have a bunch of input rows, each with id in the form of something like.. item:characteristics:age or item:setting:type1:blah. It's kind of like going down folders to get to the item I want. So as you can see in the code, I am splitting each id and trying to rebuild it in the form item[characteristics][age] then set it to the value of the input field. This is modifying the properties of the item. We already have the item object passed into my code and i'm simply modifying the properties to the new values from the user's input.
Does anyone know how I can do this without eval? I'm mainly using it because the variable name can't be hard coded, it is dynamic.
Here's the code I have so far.
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Jun 11, 2009
Basically, I have a bunch of input rows, each with id in the form of something like.. item:characteristics:age or item:setting:type1:blah. It's kind of like going down folders to get to the item I want. So as you can see in the code, I am splitting each id and trying to rebuild it in the form item[characteristics][age] then set it to the value of the input field. This is modifying the properties of the item. We already have the item object passed into my code and i'm simply modifying the properties to the new values from the user's input.
Does anyone know how I can do this without eval? I'm mainly using it because the variable name can't be hard coded, it is dynamic. Here's the code I have so far.
[Code]...
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Nov 26, 2009
am at the very beginning of Javascript. This is the first website I tried to include Javascript, so don't be too mean
What I want to do is to change a CSS property dynamically. It'll be best if I show you what I did:
<script language="javascript">
function ChangeHeight()
{
var browser = navigator.appName;
[Code].....
Why I want do change this? Well... Different people have different resolutions and I want that my website fits perfectly into the browser.
alert(document.getElementById('content').style.height); This shows just an empty MessageBox with nothing in it.
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Feb 6, 2006
I am working on creating a simple image gallery. I have added styling around the thumbnail images (border and padding). I would like to change the border color when the item is hovered over. I know this can be done rather easily with the getElementById command. Can someone help me understand this process? Here's a snippet of the list that I am working with...
Here's the CSS:
ul {
padding:0;
margin:0;
position:relative;
}
li {
float:left;
padding:0 .5em .3em .5em;
list-style:none;
}
#gallery {
list-style:none;
}
#gallery li {
display:inline;
}
#gallery li a img {
border:1px solid #ccc;
padding:3px;
}
Here's the HTML:
<ul id="gallery">
<li><a href="path/to/image/large/" title="title/of/image/"><img src="path/to/image/thumb/" alt="title/of/image/" /></a></li>
<li><a href="path/to/image/large/" title="title/of/image/"><img src="path/to/image/thumb/" alt="title/of/image/" /></a></li>
<li><a href="path/to/image/large/" title="title/of/image/"><img src="path/to/image/thumb/" alt="title/of/image/" /></a></li>
</ul>
I would like to change the border color from #ccc to #3455ef when the item is hovered over, and ideally have a different style when the item is clicked (or active).
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Oct 8, 2005
I am writing a Javascript UI component. I have already written a
"disable()" method for it, but I would like to go one step further in
order to make my component as compatible with existing HTML controls as
possible.
With standard HTML controls we can do this:
myTextField.disabled = true;
and as soon as this property is set, I assume there is a property
listener of some kind that is invoked to change the appearance and
value etc of the control.
I want to write my own 'property listener' to do this with my control.
Can I do it in Javascript or is this too "low level", requiring code at
the browser implementation level?
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Jul 24, 2006
Is there a way to make one property an alias for another? This would
mean that if the value of the original is changed then so is the value
of the alias. I tried the following example and it does not give this
type of behavior, of course. Code:
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Feb 21, 2010
I'm looking for a way to add or change a property value in a previously defined CSS class - not just HTML objects that have that class. Then if later objects are assigned with this class, the objects would inherit the properties of the updated class. For example, if I change the class "image" to add "display:none", and then add the "image" class to an object, it would be displayed or not displayed depending on how this was previously defined.
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Jan 18, 2010
how to change the css display property of a table, from hidden, to block outside of an iframe.
//This data is outside of the iframe
<style>
#table {display: hidden; z-index: 100;}
</style>
[Code]....
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May 26, 2010
I just donīt 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 donīt know the right syntax.
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May 8, 2006
I have situation that when my page is loaded i create js object
<html>
...
<script>
function Page() {
this.page = 0;
this.result = 0
this.resultCount =1;
this.currentPage =1;
}
MyPage= Page()
</script>
then in my javascript function i use object like this:
function getPage() {
if(!MyPage) {
MyPage = new Page();
}
return MyPage;
}
but there is one problem: MyPage lost one of the property, currentPage.
When i do alert(MyPage.cuurentPage) shows mi undefined. After object
initialization everything seems to be alright, currentPage is set to 1
but when i Try use MyPage in my js code is already set to undefined.
What happen? What I'm doing wrong?
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May 20, 2009
I'm using this function to change the display property of one field based on the input (value property) of another
Code:
function disableField(owner,reason) {
if(document.getElementById(owner).value == '000001' || document.getElementById(owner).value == 'None' ||
[code]....
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Jul 20, 2005
I have a word bank for a javascript crossword puzzle I'm working on. What I
want to do is when a user clicks on a word in the word bank, it crosses
itself out. I have tried:
<a href="javascript:this.style.textDecorationLineThrough">text here</a>
to no avail. does anyone have an idea on how to do this?
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Sep 25, 2004
For a application I am writting I need to make some table columns apear and disapear by clicking on a link. I do this by changing the "style" property in the <td> tag.
The HTML is generated by ASP.NET, which automaticly sets the style property of the <td> tag to the right value. and makes links to the right Javascript function call to change a specific property.
This is the HTML output of 2 table columns: Code:
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Feb 23, 2009
I'm attempting to change the display property of certain divs depending on the criteria of multiple select boxes.
I got it to work by GetElementsByTagName('div') but it then selects all divs rather then the select few i actually want it to work on. I tried changing the selection to GetElementsByName but this doesn't work, why i don't really know.
I've dumped the source code below:
Code:
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Jan 20, 2010
I am trying to use Javascript to change the CSS property fontSize to increase over a small amount of time. Here's the code:
Code:
function iscalled(id)
{
changesize(15,25,id)
[Code]....
I want to have the font size dynamically change, in the (id) object. I experimented with several versions of setTimeout, because it wasn't delaying at all. This script will run through setattr() only twice and doesn't modify the font size.
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Nov 13, 2010
I have a form with a list of things. The number of things in the list is variable, depending on certain factor, different things, different numbers of things. Next to each thing is a radio button.
There is a question with two radio buttons, "yes" and "no".
When "no" is selected, I want the radio buttons to be disabled, and the color of the text to change to gray.
For the radio buttons, I have a simple JS function:
javascript Code:
function enableCFFID()
{
document.cartform.cffid.disabled=false;
}
[Code].....
For the test that goes with each thing, obviously I don't want to have to assign unique ID (perhaps in a span tag that encloses the text). I would want a common name for all of them.
But this would mean I can't use getElementById.
What other method can I use to change the class for a group of span tags who's number is variable?
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Dec 30, 2009
I have created the no.of div tags in my website applications. Now i want to change the class name of the tags. How should I? Below is some code which i want to change:-
<test.aspx>
<tr>
<td style="width:100%;">
<div class="roundedcornr_box_203203">
[Code].....
Now i want to change the class name at runtime using javascript e.g. roundedcornr_box_203203 will be replaced by roundedcornr_box_408625 etc..
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