JQuery attr not changing dialog title

We have this JQuery code:

$('#dialog-message'开发者_StackOverflow中文版).attr("title", t);

It works fine the first time it's executed - the title is changed. But on subsequent calls to this method the title is not updated. Any ideas?

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You have to change the title of the dialog not the title attribute of the HTML Element:

$('#dialog-message').dialog( "option" , 'title' , 'new Title' )