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27 lines
788 B
27 lines
788 B
/** |
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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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