title: IN clause in mysql nodejs
body: <p>I have a simple nodejs application which executes the following query.</p>
  
  <pre><code>select * from User where userid in (?)
  </code></pre>
  
  <p>The userids i get is a JSON array send from client side. How can i use that in this select query ? I tried
   1. As itself but not working.
   2. Convert this to Javascript array, not working</p>