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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</h1>
<div class="entry-meta jq-clearfix">
Categories:
<span class="category"><a href="http://api.jquery.com/category/internals/" title="View all posts in Internals">Internals</a></span> | <span class="category"><a href="http://api.jquery.com/category/properties/" title="View all posts in Properties">Properties</a> > <a href="http://api.jquery.com/category/properties/jquery-object-instance-properties/" title="View all posts in Properties of jQuery Object Instances">Properties of jQuery Object Instances</a></span>
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<div id="jquery1" class="entry property">
<h2 class="jq-clearfix roundTop section-title">
<span class="name">jquery</span> <span class="returns">Returns: <a class="return" href="http://api.jquery.com/Types/#String">String</a></span>
</h2>
<div class="jq-box roundBottom entry-details">
<p class="desc"><strong>Description: </strong>A string containing the jQuery version number.</p>
<ul class="signatures"><li class="signature" id="jquery"><h4 class="name">
<span class="versionAdded">version added: <a href="/category/version/1.0/">1.0</a></span>jquery</h4></li></ul>
<div class="longdesc"><p>The <code>.jquery</code> property is assigned to the jQuery prototype, commonly referred to by its alias <code>$.fn</code>. It is a string containing the version number of <code>jQuery</code>, such as "1.5.0" or "1.4.4".</p></div>
<h3>Examples:</h3>
<div class="entry-examples" id="entry-examples">
<div id="example-0">
<h4>Example: <span class="desc">Determine if an object is a jQuery object</span>
</h4>
<pre class="prettyprint"><code class="example">
var a = { what: "A regular JS object" },
b = $('body');
if ( a.jquery ) { // falsy, since it's undefined
alert(' a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a string
alert(' b is a jQuery object! ');
}
</code></pre>
</div>
<div id="example-1">
<h4>Example: <span class="desc">Get the current version of jQuery running on the page</span>
</h4>
<pre class="prettyprint"><code class="example">
alert( 'You are running jQuery version: ' + $.fn.jquery );
</code></pre>
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