title: Callback after the DOM was updated in Meteor.js
body: <p>I have this Meteor project: <a href="https://github.com/jfahrenkrug/code_buddy" rel="noreferrer">https://github.com/jfahrenkrug/code_buddy</a> </p>
  
  <p>It's basically a tool with a big textarea and a pre area that lets you enter source code snippets that automatically get pushed to all connected clients. </p>
  
  <p>I'd like to automatically run the highlightSyntax function when the code was changed, but it doesn't really work.</p>
  
  <p>I've tried query.observe, but that didn't work too well: The syntax highlight flashed up once and then disappeared again.</p>
  
  <p>So my question is: How do I run code after the DOM was updated?</p>