chrome extension popup

I have developed an extension with links inside, once user hover over these links a tooltip appear describing t开发者_JS百科he link, the problem when the link close to the border of the extension popup the tooltip appears but part of it not all the contents inside these tooltip, I think because it's below the frame of the popup.

Is it possible to make the tooltip appears above the frame of the popup?

Regards,

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If you're implementing tooltips with title= attributes, you can't control where they are positioned. However you can create your own tooltips in JS and position them as within the bounds of the popup, using something like Tipped. A quick search will bring up hundreds of other libraries.