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Editorial Team
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Asked: 2026-05-14T23:43:01+00:00

I am trying to setup a modal YUI panel above a YUI Tabview. For

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I am trying to setup a modal YUI panel above a YUI Tabview. For CSS purposes [1] the tabs have a z-index that goes up to about 20 (depending on how many tabs there are).

The problem I am facing is that the mask that YUI draws for the modality of the panel is behind whatever nonzero mask the tabs have, and so the tabs peek through.

So far I have only found YUI API methods to change the mask of the dialog or panel.

Does anyone know how I can do this for the mask? Has anyone had an issue like this before?

I will shortly be posting the code I used.

TIA!

[1] (CSS designer did this, so I can’t change the markup)

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1 Answer

  1. Editorial Team

    The solution is
    – after show/render of top modal dialog, call hideMask() for underlying modal dialog
    – before canceling top modal dialog, call showMask() for underlying modal dialog

    Tip: If calling hide/show mask too early and/or too late, mask “flashing” may be experienced visually.

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