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<!DOCTYPE html>
<html lang='en'><head><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
<div class="entry-content">
<div class="entry-title roundTop">
<h1 class="jq-clearfix">jQuery.isWindow()</h1>
<div class="entry-meta jq-clearfix">
Categories:
<span class="category"><a href="http://api.jquery.com/category/utilities/" title="View all posts in Utilities">Utilities</a></span>
</div>
</div>
<div id="jQuery-isWindow1" class="entry method">
<h2 class="jq-clearfix roundTop section-title">
<span class="name">jQuery.isWindow( obj )</span> <span class="returns">Returns: <a class="return" href="http://api.jquery.com/Types/#boolean">boolean</a></span>
</h2>
<div class="jq-box roundBottom entry-details">
<p class="desc"><strong>Description: </strong>Determine whether the argument is a window.</p>
<ul class="signatures"><li class="signature" id="jQuery-isWindow-obj">
<h4 class="name">
<span class="versionAdded">version added: <a href="/category/version/1.4.3/">1.4.3</a></span>jQuery.isWindow( obj )</h4>
<p class="arguement"><strong>obj</strong>Object to test whether or not it is a window.</p>
</li></ul>
<div class="longdesc"><p>This is used in a number of places in jQuery to determine if we're operating against a browser window (such as the current window or an iframe).</p></div>
<h3>Example:</h3>
<div class="entry-examples" id="entry-examples"><div id="example-0">
<h4><span class="desc">Finds out if the parameter is a window.</span></h4>
<pre class="prettyprint"><code class="example demo-code"><!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.7rc2.js"></script>
</head>
<body>
Is 'window' a window? <b></b>
<script>$("b").append( "" + $.isWindow(window) );</script>
</body>
</html></code></pre>
<h4>Demo:</h4>
<div class="demo code-demo"></div>
</div></div>
</div>
</div>
</div>
</body></html>
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