Let CoffeeScript handle binding methods for us.

src/General/DataBoard.coffee

@@ -3,7 +3,7 @@ DataBoards = ['hiddenThreads', 'hiddenPosts', 'lastReadPosts', 'yourPosts', 'wat
 class DataBoard
   constructor: (@key, sync, dontClean) ->
     @data = Conf[key]
-    $.sync key, @onSync.bind @
+    $.sync key, @onSync
     @clean() unless dontClean
     return unless sync
     # Chrome also fires the onChanged callback on the current tab,
@@ -84,6 +84,6 @@ class DataBoard
         @deleteIfEmpty {boardID}
       @save()
 
-  onSync: (data) ->
+  onSync: (data) =>
     @data = data or boards: {}
     @sync?()

src/General/Notification.coffee

@@ -1,8 +1,5 @@
 class Notification
   constructor: (type, content, @timeout) ->
-    @add   = add.bind @
-    @close = close.bind @
-
     @el = $.el 'div',
       innerHTML: '<a href=javascript:; class=close title=Close>×</a><div class=message></div>'
     @el.style.opacity = 0
@@ -17,7 +14,7 @@ class Notification
   setType: (type) ->
     @el.className = "notification #{type}"
 
-  add = ->
+  add: =>
     if d.hidden
       $.on d, 'visibilitychange', @add
       return
@@ -27,5 +24,5 @@ class Notification
     @el.style.opacity = 1
     setTimeout @close, @timeout * $.SECOND if @timeout
 
-  close = ->
+  close: =>
     $.rm @el

src/General/UI.coffee

@@ -17,8 +17,7 @@ UI = do ->
 
     constructor: (@type) ->
       # Doc here: https://github.com/MayhemYDG/4chan-x/wiki/Menu-API
-      $.on d, 'AddMenuEntry', @addEntry.bind @
-      @close   = close.bind @
+      $.on d, 'AddMenuEntry', @addEntry
       @entries = []
 
     makeMenu: ->
@@ -27,7 +26,7 @@ UI = do ->
         id:        'menu'
         tabIndex:  0
       $.on menu, 'click', (e) -> e.stopPropagation()
-      $.on menu, 'keydown', @keybinds.bind @
+      $.on menu, 'keydown', @keybinds
       menu
 
     toggle: (e, button, data) ->
@@ -98,7 +97,7 @@ UI = do ->
       $.add entry.el, submenu
       return
 
-    close = ->
+    close: =>
       $.rm currentMenu
       currentMenu       = null
       lastToggledButton = null
@@ -110,7 +109,7 @@ UI = do ->
         +(first.style.order or first.style.webkitOrder) - +(second.style.order or second.style.webkitOrder)
       entries[entries.indexOf(entry) + direction]
 
-    keybinds: (e) ->
+    keybinds: (e) =>
       entry = $ '.focused', currentMenu
       while subEntry = $ '.focused', entry
         entry = subEntry
@@ -167,7 +166,7 @@ UI = do ->
         $.addClass submenu, 'right'
         $.rmClass  submenu, 'left'
 
-    addEntry: (e) ->
+    addEntry: (e) =>
       entry = e.detail
       return if entry.type isnt @type
       @parseEntry entry

src/Posting/QR.coffee

@@ -446,7 +446,7 @@ QR =
         $.on elm, 'blur',  QR.focusout
         $.on elm, 'focus', QR.focusin
       <% } %>
-      $.on el,             'click',  @select.bind @
+      $.on el,             'click',  @select
       $.on @nodes.rm,      'click',  (e) => e.stopPropagation(); @rm()
       $.on @nodes.label,   'click',  (e) => e.stopPropagation()
       $.on @nodes.spoiler, 'change', (e) =>
@@ -516,7 +516,7 @@ QR =
       @nodes.el.draggable = !lock
     unlock: ->
       @lock false
-    select: ->
+    select: =>
       if QR.selected
         QR.selected.nodes.el.id = null
         QR.selected.forceSave()