- Firefox-Version
 - 72.0.2
 - Betriebssystem
 - Windows 10/64
 
Habe diese JS entdeckt, vielleicht kann mir jemand sagen, welche Funktion sie hat.
medien.js
JavaScript
		
					
				//        Seiteninformationen "Medien" anzeigen
(function() {
   if (location != 'chrome://browser/content/browser.xthml') return;
    try {
             CustomizableUI.createWidget({
             id: 'context-viewinfo',
             type: 'custom',
             defaultArea: CustomizableUI.AREAS,
             onBuild: function(aDocument) {         
                var toolbaritem = aDocument.createXULElementNS('http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul', 'toolbarbutton');
                var props = {
                   id: 'context-viewinfo',
                   class: 'toolbarbutton-1 chromeclass-toolbar-additional',
                   removable: true,
                   label: 'Seiteninformationen "Medien"',
                   tooltiptext: '',
                   style: 'list-style-image: url(data:image/png;base64,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)',
                   oncommand: "BrowserPageInfo(null, 'mediaTab');"
                };            
                for (var p in props)
                   toolbaritem.setAttribute(p, props[p]);            
                return toolbaritem;
             }      
});
} catch(e) { };
})();
	
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