fixup! fix($compile): fix ng-prop-* with undefined values

Author: jbedard

src/ng/compile.js

@@ -3836,17 +3836,7 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
           return {
             pre: function ngPropPreLinkFn(scope, $element) {
               function applyPropValue() {
-                var propValue = sanitizer(ngPropGetter(scope));
-
-                if (propValue !== undefined) {
-                  $element.prop(propName, propValue);
-                } else {
-                  if ($element.removeProp) {
-                    $element.removeProp(propName);
-                  } else {
-                    delete $element[0][propName];
-                  }
-                }
+                $element[0][propName] = sanitizer(ngPropGetter(scope));
               }
 
               applyPropValue();

test/ng/ngPropSpec.js

@@ -75,38 +75,6 @@ describe('ngProp*', function() {
     expect(element.prop('text')).toBe(null);
   }));
 
-  // https://github.com/angular/angular.js/issues/16797
-  it('should delete properties with undefined values', inject(function($rootScope, $compile) {
-    var element = $compile('<span ng-prop-text="myText" />')($rootScope);
-    expect(element[0].hasOwnProperty('text')).toBe(false);
-
-    $rootScope.myText = 'a value';
-    $rootScope.$digest();
-    expect(element.prop('text')).toBe('a value');
-    expect(element[0].hasOwnProperty('text')).toBe(true);
-
-    $rootScope.myText = undefined;
-    $rootScope.$digest();
-    expect(element[0].hasOwnProperty('text')).toBe(false);
-  }));
-
-  // Ensure jQuery prop/removeProp are used to support fix/hooks
-  if (angular.element.prototype.removeProp) {
-    it('should use jQuery.fn.prop() and jQuery.fn.removeProp() to support jQuery.propFix/Hooks', inject(function($rootScope, $compile) {
-      $compile('<span ng-prop-text="myText" />')($rootScope);
-      spyOn(angular.element.fn, 'prop').and.callThrough();
-      spyOn(angular.element.fn, 'removeProp').and.callThrough();
-
-      $rootScope.myText = 'a value';
-      $rootScope.$digest();
-      expect(angular.element.fn.prop).toHaveBeenCalledWith('text', 'a value');
-
-      $rootScope.myText = undefined;
-      $rootScope.$digest();
-      expect(angular.element.fn.removeProp).toHaveBeenCalledWith('text');
-    }));
-  }
-
   it('should support mixed case using underscore-separated names', inject(function($rootScope, $compile) {
     var element = $compile('<span ng-prop-a_bcd_e="value" />')($rootScope);
     $rootScope.value = 123;