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How to stop websites from suppressing menus

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My email program (Yahoo webmail) suppresses the menus on the pop-up window to print an email. Therefore I cannot do "Print Preview" or adjust scaling. How can I stop if from suppressing the menus, or restore them to a window that has them suppressed. Usual turn-on-menu tricks (<Alt> key, <F11>, three-bar menu's options) don't work in this case.

My email program (Yahoo webmail) suppresses the menus on the pop-up window to print an email. Therefore I cannot do "Print Preview" or adjust scaling. How can I stop if from suppressing the menus, or restore them to a window that has them suppressed. Usual turn-on-menu tricks (<Alt> key, <F11>, three-bar menu's options) don't work in this case.

Gekozen oplossing

Is this about hiding toolbars like the Firefox Menu bar in a pop-up window ?

There are various dom.disable_window_open_feature prefs to prevent websites from hiding specific content that you can set to true to prevent a website from disabling this specific feature.

  • dom.disable_window_open_feature.menubar = true
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Aanvullende systeemdetails

Geïnstalleerde plug-ins

  • Shockwave Flash 32.0 r0

Toepassing

  • Useragent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0

Meer informatie

cor-el
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Maybe toggling this pref on the about:config page will work.

  • dom.event.contextmenu.enabled = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

Maybe toggling this pref on the <b>about:config</b> page will work. *dom.event.contextmenu.enabled = false You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue. *https://support.mozilla.org/en-US/kb/about-config-editor-firefox
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Vraageigenaar

Thanks, but doesn't help. I believe that pref stops sites from messing with context menus (usually right-click menus.) I do figure it's a pref somewhere that I can't find.

Thanks, but doesn't help. I believe that pref stops sites from messing with context menus (usually right-click menus.) I do figure it's a pref somewhere that I can't find.
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cor-el
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17763 oplossingen 160635 antwoorden

Gekozen oplossing

Is this about hiding toolbars like the Firefox Menu bar in a pop-up window ?

There are various dom.disable_window_open_feature prefs to prevent websites from hiding specific content that you can set to true to prevent a website from disabling this specific feature.

  • dom.disable_window_open_feature.menubar = true
Is this about hiding toolbars like the Firefox Menu bar in a pop-up window ? There are various <b>dom.disable_window_open_feature</b> prefs to prevent websites from hiding specific content that you can set to true to prevent a website from disabling this specific feature. *dom.disable_window_open_feature.menubar = true
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Vraageigenaar

Yes, that is exactly what I need. (I also see a list of similar items one can keep on the new windows listed at http://kb.mozillazine.org/About:config_entries , thanks to your guidance to get me on the right track. )

Thanks muchly!

Yes, that is exactly what I need. (I also see a list of similar items one can keep on the new windows listed at http://kb.mozillazine.org/About:config_entries , thanks to your guidance to get me on the right track. ) Thanks muchly!
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cor-el
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You're welcome. See also: *http://kb.mozillazine.org/Prevent_websites_from_disabling_new_window_features
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