.attr('checked','checked') does not work

Question

I am trying to check radio. Neither the following works:

[edit]

$(\'selector\').attr(\'checked\',\'checked\');
$(\'selector\').attr(\'checked\',true)         


        

Answer 1

It works, but

$('input[name="myname"][checked]').val()

will return the value of the first element with attribute checked. And the a radio button still has this attribute (and it comes before the b button). Selecting b does not remove the checked attribute from a.

You can use jQuery's :checked:

$('input[name="myname"]:checked').val()

DEMO

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Further notes:

• Using $('b').attr('checked',true); is enough.
• As others mentioned, don't use inline event handlers, use jQuery to add the event handler.