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plurals

PO.attr('checked','checked') does not work
primarykey
Id
5270689
data
AcceptedAnswerId
5270762
AnswerCount
7
ClosedDate
CommentCount
3
CommunityOwnedDate
CreationDate
2011-03-11T08:38:53.007
FavoriteCount
8
LastActivityDate
2016-06-01T13:30:24.720
LastEditDate
2011-03-11T10:17:04.673
LastEditorUserId
464487
OwnerUserId
464487
ParentId
0
PostTypeId
1
Score
27
ViewCount
110252
LastEditorDisplayName
text
Body
<p>I am trying to check radio. Neither the following works:</p> <p>[edit]</p> <pre><code>$('selector').attr('checked','checked'); $('selector').attr('checked',true); </code></pre> <p>The two alert() in the following code show "1" and "a", respectively. My expectation is the second alert() showing "b".</p> <p>Opera does check the second radio box in its browser, but its element inspector, dragonfly, shows that the DOM is not changed.</p> <p>[end edit]</p> <p>I had read the FAQ before I posted this question:</p> <p><a href="http://docs.jquery.com/Frequently_Asked_Questions#How_do_I_check.2Funcheck_a_checkbox_input_or_radio_button.3F">http://docs.jquery.com/Frequently_Asked_Questions#How_do_I_check.2Funcheck_a_checkbox_input_or_radio_button.3F</a></p> <p>Helps will be much appreciated!</p> <p>TIA</p> <p>The xhtml page and code follows:</p> <pre><code><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>Weird Behavior</title> <script type="text/javascript" src="scripts/jquery.js"/> <script type="text/javascript"> function clickme(){ alert($('input[name="myname"][value="b"]').length); $('input[name="myname"][value="b"]').attr('checked','checked'); $('#b').attr('checked',true); alert($('input[name="myname"][checked]').val()); }; </script> </head> <body> <form action=""> <fieldset> <legend>Why check is not switched?</legend> <input type="radio" name="myname" value="a" id="a" checked="checked"/>A <input type="radio" name="myname" value="b" id="b"/>B </fieldset> </form> <p> <button type="button" onclick="clickme()">click me</button> </p> </body> </html> </code></pre>
Tags
<jquery>
Title
.attr('checked','checked') does not work
singulars
PostAcceptedAnswerId
1. PO
  singulars
  PostTypePostTypeId
  PTAnswer
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USMasao Liu
UserOwnerUserId
1. USMasao Liu
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
  PO.attr('checked','checked') does not work
  UserUserId
  This table or related slice is empty.
  VoteTypeVoteTypeId
  VTUpMod
2. VO
  singulars
  PostPostId
  PO.attr('checked','checked') does not work
  UserUserId
  This table or related slice is empty.
  VoteTypeVoteTypeId
  VTUpMod
3. VO
  singulars
  PostPostId
  PO.attr('checked','checked') does not work
  UserUserId
  USafemath
  VoteTypeVoteTypeId
  VTFavorite
CommentsPostId

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