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28 lines
788 B
JavaScript
28 lines
788 B
JavaScript
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/**
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* Copyright 2013-2015, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule getActiveElement
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* @typechecks
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*/
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/**
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* Same as document.activeElement but wraps in a try-catch block. In IE it is
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* not safe to call document.activeElement if there is nothing focused.
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*
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* The activeElement will be null only if the document body is not yet defined.
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*/
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function getActiveElement() /*?DOMElement*/ {
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try {
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return document.activeElement || document.body;
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} catch (e) {
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return document.body;
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}
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}
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module.exports = getActiveElement;
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