 <p>Jade indentation is "2 spaces"</p> <p>you should use</p> <pre><code>if !hide_it p hello </code></pre> <p>it would also work with the "-" prefix (javascript mode) but it is not advised in this case where the standard Jade <code>if</code> notation can work.</p> <p>you can test your template in the online demo - <a href="http://jade-lang.com/demo/" rel="nofollow">http://jade-lang.com/demo/</a></p>