.attr("id") in jQuery 1.6.1

I am using

jQuery(somethin开发者_开发知识库g).attr("id")

in jQuery 1.6.1 and seem to be getting issues with this - basically, it's returning blank ?

I thought all the issues with 1.6.1 resolved backwards compatibility etc for the .attr or ?

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Use something.id (if its a HTMLElement)

or $(something)[0].id (if it's a selector string)

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Maybe the selector you are using is returning an array of objects. In which case you need to do:

jQuery(something).each(function(){
  var id = $(this).attr("id");
  //Do what ever you need to with each id
});

Or just select the first element.