title: Change event doesn't working when input text change?
body: <p>This is my code:</p>
  
  <pre><code>&lt;input type="text" id="x"&gt;
  </code></pre>
  
  <pre class="lang-js prettyprint-override"><code>$(document).ready(function(){
      $("#x").onchange(function(){
          alert("x");
      })
  });
  </code></pre>
  
  <p>But id doesn't work. What is problem?    </p>