destroy previously stored tweets on page load

index.coffee

@@ -4,17 +4,18 @@ class Tracer extends Batman.App
   query: ''
 class Tracer.Tweet extends Batman.Model
   @persist Batman.LocalStorage
+  @destroyAll: -> @get('all')?.forEach (t) -> t.destroy()
 class Tracer.AppController extends Batman.Controller
-  index: -> @render false
+  index: ->
+    Tracer.Tweet.destroyAll()
+    @render false
   submitSearch: =>
     Tracer.set 'hasSearched', yes
-    Tracer.Tweet.all?.forEach (t) -> t.destroy()
+    Tracer.Tweet.destroyAll()
     $.ajax 'http://search.twitter.com/search.json?q=' + encodeURI(Tracer.query),
       dataType: 'jsonp'
       success: (data) ->
         for obj in data.results
           tweet = new Tracer.Tweet obj
-          tweet.save (error, record) ->
-            throw error if error
-    false
+          tweet.save (error, record) -> throw error if error
 Tracer.run()