feat(directive): ng:keydown, ng:keyup

New directives for binding to keydown and keyup events.

Closes #1035

src/ng/directive/ngEventDirs.js

@@ -37,7 +37,7 @@
  */
 var ngEventDirectives = {};
 forEach(
-  'click dblclick mousedown mouseup mouseover mouseout mousemove mouseenter mouseleave'.split(' '),
+  'click dblclick mousedown mouseup mouseover mouseout mousemove mouseenter mouseleave keydown keyup'.split(' '),
   function(name) {
     var directiveName = directiveNormalize('ng-' + name);
     ngEventDirectives[directiveName] = ['$parse', function($parse) {
@@ -164,6 +164,38 @@ forEach(
  */
 
 
+/**
+ * @ngdoc directive
+ * @name ng.directive:ngKeydown
+ *
+ * @description
+ * Specify custom behavior on keydown event.
+ *
+ * @element ANY
+ * @param {expression} ngKeydown {@link guide/expression Expression} to evaluate upon
+ * keydown. (Event object is available as `$event` and can be interrogated for keyCode, altKey, etc.)
+ *
+ * @example
+ * See {@link ng.directive:ngClick ngClick}
+ */
+
+
+/**
+ * @ngdoc directive
+ * @name ng.directive:ngKeyup
+ *
+ * @description
+ * Specify custom behavior on keyup event.
+ *
+ * @element ANY
+ * @param {expression} ngKeyup {@link guide/expression Expression} to evaluate upon
+ * keyup. (Event object is available as `$event` and can be interrogated for keyCode, altKey, etc.)
+ *
+ * @example
+ * See {@link ng.directive:ngClick ngClick}
+ */
+
+
 /**
  * @ngdoc directive
  * @name ng.directive:ngSubmit

test/ng/directive/ngKeySpec.js

@@ -0,0 +1,29 @@
+'use strict';
+
+describe('ngKeyup and ngKeydown directives', function() {
+  var element;
+
+  afterEach(function() {
+    dealoc(element);
+  });
+
+  it('should get called on a keyup', inject(function($rootScope, $compile) {
+    element = $compile('<input ng-keyup="touched = true">')($rootScope);
+    $rootScope.$digest();
+    expect($rootScope.touched).toBeFalsy();
+
+    browserTrigger(element, 'keyup');
+    expect($rootScope.touched).toEqual(true);
+  }));
+
+  it('should get called on a keydown', inject(function($rootScope, $compile) {
+    element = $compile('<input ng-keydown="touched = true">')($rootScope);
+    $rootScope.$digest();
+    expect($rootScope.touched).toBeFalsy();
+
+    browserTrigger(element, 'keydown');
+    expect($rootScope.touched).toEqual(true);
+  }));
+
+});
+