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    Default Unanswered: ExtJS 4.2 -Error the black background after hidden menu

    Unanswered: ExtJS 4.2 -Error the black background after hidden menu


    I have a proplem with my Menu toolbar, I hover menu, it leaves a black background until refresh page. it only effect in Chrome
    Thanks!!
    Capture.PNG

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    same issue here!

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    I think its a google update problem...

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    Quote Originally Posted by ferengidedalo View Post
    I think its a google update problem...
    I think so.. then i remove google map, it back to normal

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    I had the same problem with the latest version on Chrome 27.0.1453.94 m. Works fine in the previous version. The following workaround may help:

    Click drop-down menu on top-right corner –> click “Settings” –> click “Show advanced settings…” on the bottom –> scroll to the bottom,
    and uncheck “Use hardware acceleration when available”. And restart the browser..


    See: http://sulab.org/blog/

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    Default hideMode: 'display'

    hideMode: 'display'


    I had the same problem too with a flash player on my extjs4 application.
    Setting hideMode: 'display' on the menu fixed it for me.

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    hi.. thanks all for help

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    Are there any advantages/disadvantages to using hideMode:'display'? I too found that doing that solved the black square problem, and I'm considering just overriding Ext.menu.Menu to make it a default for all my menus. I don't want to run into any other problems though because of it.

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    Not really. The only difference between display:none and visibility:hidden is that visibility:hidden items still appear in the layout, but that doesn't apply to absolutely positioned things. Display:none would be a better default AFAICS