regarding codecombat/codecombat#655 debounce debounces.

app/views/modal/wizard_settings_modal.coffee

@@ -10,6 +10,10 @@ module.exports = class WizardSettingsModal extends View
   template: template
   closesOnClickOutside: false
 
+  constructor: (options) ->
+    @onNameChange = _.debounce(@checkNameExists, 200)
+    super options
+
   events:
     'keyup #wizard-settings-name': 'onNameChange'
     'click #wizard-settings-done': 'onWizardSettingsDone'
@@ -19,16 +23,13 @@ module.exports = class WizardSettingsModal extends View
     view = new WizardSettingsView()
     @insertSubView view
 
-  onNameChange: =>
+  checkNameExists: =>
     forms.clearFormAlerts(@$el)
-    checkNameExists = =>
-      name = $('#wizard-settings-name').val()
-      success = (id) =>
-        forms.clearFormAlerts(@$el)
-        forms.applyErrorsToForm(@$el, {property:'name', message:'is already taken'}) if id and id isnt me.id
-      $.ajax("/db/user/#{name}/nameToID", {success: success})
-    _.debounce(checkNameExists, 300)()
-
+    name = $('#wizard-settings-name').val()
+    success = (id) =>
+      forms.clearFormAlerts(@$el)
+      forms.applyErrorsToForm(@$el, {property:'name', message:'is already taken'}) if id and id isnt me.id
+    $.ajax("/db/user/#{name}/nameToID", {success: success})
 
   onWizardSettingsDone: =>
     me.set('name', $('#wizard-settings-name').val())