Isn't there a standard jQuery pop-up menu component?

I'd expect a right-click-context-menu-style pop-up menu to be a part of jQuery UI. But apparently it isn't开发者_Go百科. What's the de-facto standard out there? Or is everybody just rolling out their own ones?

Example

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I think you are looking for dialog

http://jqueryui.com/demos/dialog/

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Or jQuery Impromptu http://trentrichardson.com/Impromptu/index.php