Andreas Hocevar
59 lines
1.4 KiB
HTML
59 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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Copyright 2010 The Closure Library Authors. All Rights Reserved.
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Use of this source code is governed by the Apache License, Version 2.0.
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See the COPYING file for details.
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-->
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<head>
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<title>goog.events.FocusHandler</title>
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<script src="../base.js"></script>
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<script>
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goog.require('goog.dom');
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goog.require('goog.events');
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goog.require('goog.events.FocusHandler');
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</script>
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<link rel="stylesheet" href="css/demo.css">
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</head>
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<body>
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<h1>goog.events.FocusHandler</h1>
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<p>i1: <input id=i1>
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<p>i2 <input id=i2>
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<p>i3: <input id=i3>
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<p id=out>
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<script>
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var $ = goog.dom.getElement;
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function updateText(e) {
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var target = e.target;
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$('out').appendChild(document.createTextNode(target.tagName + "#" +
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target.id + ": " + e.type));
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$('out').appendChild(document.createElement('br'));
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}
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var focusHandler = new goog.events.FocusHandler(document.body);
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goog.events.listen(focusHandler, goog.events.FocusHandler.EventType.FOCUSIN,
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updateText);
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goog.events.listen(focusHandler, goog.events.FocusHandler.EventType.FOCUSOUT,
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updateText);
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goog.events.listen(window, 'unload', function() {
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goog.events.unlisten(focusHandler, goog.events.FocusHandler.EventType.FOCUSIN,
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updateText);
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goog.events.unlisten(focusHandler,
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goog.events.FocusHandler.EventType.FOCUSOUT, updateText);
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});
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</script>
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</body>
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</html>
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