diff -u b/core/misc/states.js b/core/misc/states.js
--- b/core/misc/states.js
+++ b/core/misc/states.js
@@ -86,30 +86,33 @@
    *   dependee's compliance status.
    */
   initializeDependee: function (selector, dependeeStates) {
-    var self = this;
+    var state;
 
     // Cache for the states of this dependee.
-    self.values[selector] = {};
+    this.values[selector] = {};
 
-    $.each(dependeeStates, function (i, state) {
-      // Make sure we're not initializing this selector/state combination twice.
-      if ($.inArray(state, dependeeStates) === -1) {
-        return;
-      }
+    for (var i in dependeeStates) {
+      if (dependeeStates.hasOwnProperty(i)) {
+        state = dependeeStates[i];
+        // Make sure we're not initializing this selector/state combination twice.
+        if ($.inArray(state, dependeeStates) === -1) {
+          continue;
+        }
 
-      state = states.State.sanitize(state);
+        state = states.State.sanitize(state);
+
+        // Initialize the value of this state.
+        this.values[selector][state.name] = null;
 
-      // Initialize the value of this state.
-      self.values[selector][state.name] = null;
+        // Monitor state changes of the specified state for this dependee.
+        $(selector).bind('state:' + state, $.proxy(function (e) {
+          this.update(selector, state, e.value);
+        }, this));
 
-      // Monitor state changes of the specified state for this dependee.
-      $(selector).bind('state:' + state, function (e) {
-        self.update(selector, state, e.value);
-      });
-
-      // Make sure the event we just bound ourselves to is actually fired.
-      new states.Trigger({ selector: selector, state: state });
-    });
+        // Make sure the event we just bound ourselves to is actually fired.
+        new states.Trigger({ selector: selector, state: state });
+      }
+    }
   },
 
   /**
@@ -178,7 +181,7 @@
   },
 
   /**
-   * Evaluates child constraints to detemine if a constraint is satisfied.
+   * Evaluates child constraints to determine if a constraint is satisfied.
    *
    * @param constraints
    *   A constraint object or an array of constraints.
@@ -312,7 +315,6 @@
 
 states.Trigger.prototype = {
   initialize: function () {
-    var self = this;
     var trigger = states.Trigger.states[this.state];
 
     if (typeof trigger == 'function') {
@@ -320,9 +322,11 @@
       trigger.call(window, this.element);
     }
     else {
-      $.each(trigger, function (event, valueFn) {
-        self.defaultTrigger(event, valueFn);
-      });
+      for (var event in trigger) {
+        if (trigger.hasOwnProperty(event)) {
+          this.defaultTrigger(event, trigger[event]);
+        }
+      }
     }
 
     // Mark this trigger as initialized for this element.
@@ -330,23 +334,22 @@
   },
 
   defaultTrigger: function (event, valueFn) {
-    var self = this;
     var oldValue = valueFn.call(this.element);
 
     // Attach the event callback.
-    this.element.bind(event, function (e) {
-      var value = valueFn.call(self.element, e);
+    this.element.bind(event, $.proxy(function (e) {
+      var value = valueFn.call(this.element, e);
       // Only trigger the event if the value has actually changed.
       if (oldValue !== value) {
-        self.element.trigger({ type: 'state:' + self.state, value: value, oldValue: oldValue });
+        this.element.trigger({ type: 'state:' + this.state, value: value, oldValue: oldValue });
         oldValue = value;
       }
-    });
+    }, this));
 
-    states.postponed.push(function () {
+    states.postponed.push($.proxy(function () {
       // Trigger the event once for initialization purposes.
-      self.element.trigger({ type: 'state:' + self.state, value: oldValue, oldValue: null });
-    });
+      this.element.trigger({ type: 'state:' + this.state, value: oldValue, oldValue: null });
+    }, this));
   }
 };