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// Copyright 2010 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Browser capability checks for the dom package.
*
*/
goog.provide('goog.dom.BrowserFeature');
goog.require('goog.userAgent');
/**
* Enum of browser capabilities.
* @enum {boolean}
*/
goog.dom.BrowserFeature = {
/**
* Whether attributes 'name' and 'type' can be added to an element after it's
* created. False in Internet Explorer prior to version 9.
*/
CAN_ADD_NAME_OR_TYPE_ATTRIBUTES:
!goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
/**
* Whether we can use element.children to access an element's Element
* children. Available since Gecko 1.9.1, IE 9. (IE<9 also includes comment
* nodes in the collection.)
*/
CAN_USE_CHILDREN_ATTRIBUTE: !goog.userAgent.GECKO && !goog.userAgent.IE ||
goog.userAgent.IE && goog.userAgent.isDocumentModeOrHigher(9) ||
goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher('1.9.1'),
/**
* Opera, Safari 3, and Internet Explorer 9 all support innerText but they
* include text nodes in script and style tags. Not document-mode-dependent.
*/
CAN_USE_INNER_TEXT:
(goog.userAgent.IE && !goog.userAgent.isVersionOrHigher('9')),
/**
* MSIE, Opera, and Safari>=4 support element.parentElement to access an
* element's parent if it is an Element.
*/
CAN_USE_PARENT_ELEMENT_PROPERTY:
goog.userAgent.IE || goog.userAgent.OPERA || goog.userAgent.WEBKIT,
/**
* Whether NoScope elements need a scoped element written before them in
* innerHTML.
* MSDN: http://msdn.microsoft.com/en-us/library/ms533897(VS.85).aspx#1
*/
INNER_HTML_NEEDS_SCOPED_ELEMENT: goog.userAgent.IE,
/**
* Whether we use legacy IE range API.
*/
LEGACY_IE_RANGES:
goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9)
};
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