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Please help with changing child div class

Posted on 2011-09-12
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Last Modified: 2012-05-12
In the following html:

<div id="ctl00_TopCart2_upCart">
		
            <table cellpadding="0" cellspacing="0" border="0">
                <tr>
                    <td class="TopCartCellAlign">
                        <div class="TopCartImageAlign"><a id="ctl00_TopCart2_hlViewCart" href="CartDetails.aspx"><img src="App_Themes/utenn/Images/cart.gif" alt="view cart" style="border-width:0px;" /></a></div>
                    </td>
                    <td class="TopCartCellAlign">

                        <span id="ctl00_TopCart2_lblTotalItems" class="TopCartItemsCountNumberDisplayed">0</span>
                        <span id="ctl00_TopCart2_Label1" class="TopCartItemsCountText">Item(s) totaling</span>
                        <span id="ctl00_TopCart2_lblTotalAmount" class="TopCartTotalAmount">$0.00</span>
                        
                    </td>
                </tr>
            </table>
        
	</div>

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I need to change the styling for the div with class "TopCartImageAlign" to "SpecialTopCartCellAlign"

                    <td class="TopCartCellAlign">
                        <div class="TopCartImageAlign"><a id="ctl00_TopCart2_hlViewCart" href="CartDetails.aspx"><img src="App_Themes/utenn/Images/cart.gif" alt="view cart" style="border-width:0px;" /></a></div>
                    </td>


changes to:


                    <td class="SpecialTopCartCellAlign">
                        <div class=""><a id="ctl00_TopCart2_hlViewCart" href="CartDetails.aspx"><img src="App_Themes/utenn/Images/cart.gif" alt="view cart" style="border-width:0px;" /></a></div>
                    </td>




Must "td" have an id asigned for this to work?


There is also the following restriction:

-the div must be a descendant (child or grandchild) of a div with id containing the words "TopCart2"


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Question by:Tom Knowlton
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12 Comments
 
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Expert Comment

by:leakim971
ID: 36523637
What about :
$(".TopCartImageAlign").removeClass("TopCartImageAlign").addClass("SpecialTopCartCellAlign");
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Expert Comment

by:leakim971
ID: 36523682
or (you change name of the class in your question, first time TopCartImageAlign and after : TopCartCellAlign) :
$(".TopCartCellAlign").removeClass("TopCartCellAlign").addClass("SpecialTopCartCellAlign");
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Author Comment

by:Tom Knowlton
ID: 36523683
TopCartImageAlign is used in other places and I don't want it changed in those places....just where the class "TopCartImageAlign" has a parent div with an id containing "TopCart2".

So changing the assigned div for say "TopCart1" would not be desired.

:)
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Accepted Solution

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leakim971 earned 500 total points
ID: 36523704
   $(".TopCartImageAlign", "div[id*='TopCart2']").removeClass("TopCartImageAlign").addClass("SpecialTopCartCellAlign");
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Author Comment

by:Tom Knowlton
ID: 36523739
I noticed you use two params in the first part:

  $(".TopCartImageAlign", "div[id*='TopCart2']").

Can you tell me more about what each param is for?  I mean, I think I know...but can you talk about a it some?
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Author Comment

by:Tom Knowlton
ID: 36523749
I was thinking about trying this:


  //$('div[id*="TopCart2"] > ')  blah blah

Would this be valid as well?
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Expert Comment

by:leakim971
ID: 36523752
could you confirm it work first? thanks
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Author Comment

by:Tom Knowlton
ID: 36523808
Works just great!!
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Author Closing Comment

by:Tom Knowlton
ID: 36523814
thx
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Expert Comment

by:leakim971
ID: 36523861
$(".TopCartImageAlign", "div[id*='TopCart2']") similar to :
$("div[id*='TopCart2']").find(".TopCartImageAlign")
this return an array of jQuery object

removeClass and addClass is applied to all the jQuery objects of this array.

Check this page : http://api.jquery.com/jQuery/ 
jQuery( selector, [ context ]  )

my favorite page : http://api.jquery.com/category/selectors/
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Author Comment

by:Tom Knowlton
ID: 36523973
LK:


Thank you so much for this information!

I welcome any other sites you use on a regular basis for jQuery type questions, if you want to share additional sites!!


I own the following books by O'Reilly which are great:

http://www.amazon.com/jQuery-Cookbook-Solutions-Examples-Developers/dp/0596159773

and

http://www.amazon.com/jQuery-Pocket-Reference-David-Flanagan/dp/1449397220/ref=sr_1_1?s=books&ie=UTF8&qid=1315845020&sr=1-1


but sometimes you are still a lot faster.   :)

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Expert Comment

by:leakim971
ID: 36524385
yeah, I've some O'Reilly books, I love them too (Java, Oracle, TCP/IP, ...)

I found all the infos I need on the jQuery site itselft or for UI : http://jqueryui.com/
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