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POremoveClass does't work with $(this).attr('class') but $(this).attr('id')
primarykey
Id
14511417
data
AcceptedAnswerId
0
AnswerCount
3
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2013-01-24T21:47:59.247
FavoriteCount
0
LastActivityDate
2013-01-28T20:24:06.747
LastEditDate
2013-01-24T22:09:20.900
LastEditorUserId
594235
OwnerUserId
1993867
ParentId
0
PostTypeId
1
Score
0
ViewCount
311
LastEditorDisplayName
text
Body
<p>I have this problem as reducing the size of my jQuery code. Basic function is to validate a form, if empty <code>addClass('highlight')</code> or <code>removeClass('highlight')</code>. It works fine if I use <code>$(this).attr('id')</code>, but when I tried to make it neat and changed to <code>$(this).attr('class')</code>, <code>removeClass('highlight')</code> stop working. Only thing I noticed is there are three <code>.text</code> <code>class</code>, I can't work out the reason. Please help.</p> <p>Problem code: <a href="http://jsfiddle.net/designpromote/GRG2J/" rel="nofollow">http://jsfiddle.net/designpromote/GRG2J/</a> Working code ($(this).attr('id')): <a href="http://jsfiddle.net/designpromote/GRG2J/4/" rel="nofollow">http://jsfiddle.net/designpromote/GRG2J/4/</a> or /3/ (without switch)</p> <p>I use <code>switch{}</code> because I need to validate different type of input. </p> <p>The code is list as below:</p> <pre><code><!doctype html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script> <script> $(function() { $('#myform :input').blur(function() { switch($(this).attr('class')) { case 'text': if($(this).val() == "") { console.log($(this), $(this).val()); $(this).addClass('highlight');} else {console.log($(this), $(this).val()); $(this).removeClass('highlight');} break; default: break; }http://stackoverflow.com/editing-help }); }) </script> <style> .highlight { border: 2px solid red; } </style> </head> <body> <form id="myform"> <input type='text' name='business' id='business' class='text'><br> <input type='text' name='address' id='address' class='text'><br> <input type='text' name='city', id='city' class='text'> </form> </body> </html> </code></pre>
Tags
<javascript><jquery><removeclass>
Title
removeClass does't work with $(this).attr('class') but $(this).attr('id')
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USSparky
UserOwnerUserId
1. USN Zhang
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
  singulars
  PostTypePostTypeId
  PTAnswer
2. PO
  singulars
  PostTypePostTypeId
  PTAnswer
3. PO
  singulars
  PostTypePostTypeId
  PTAnswer
VotesPostIdCreationDate
1. VO
  singulars
  PostPostId
  POremoveClass does't work with $(this).attr('class') but $(this).attr('id')
  UserUserId
  This table or related slice is empty.
  VoteTypeVoteTypeId
  VTApproveEditSuggestion
CommentsPostId
1. This table or related slice is empty.

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