title: Why return this.each(function()) in jQuery plugins?
body: <p>Some of the tutorials and examples I have seen for developing jQuery plugins tend to return  </p>
  
  <pre><code>this.each(function () {
      //Plugin code here
  });
  </code></pre>
  
  <p>at the end of the function that instantiates the plugin but I have yet to see any reasoning behind it, it just seems to be a standard that everyone follows.  Can anyone enlighten me as to the reasoning behind this practice?</p>
  
  <p>Edit: For clarification my question was not about why to return this, but rather why the plugin should return this.each.</p>