Prevent user from accidentally leaving the page

js/websockets.js

@@ -667,6 +667,11 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
         }
     }
 
+    // Prevent user from accidentally leaving the page
+    window.onbeforeunload = function(event) {
+        event.preventDefault();
+    };
+
 }]
 );