title: IE8 does not support querySelectorAll
body: <p>I tried to use <code>document.querySelectorAll()</code>, but IE8 throw error, that </p>
  
  <blockquote>
    <p>Object doesn't support this property or method</p>
  </blockquote>
  
  <pre><code>var titleCheckBox = document.querySelectorAll("");
  </code></pre>
  
  <p>Here <a href="http://www.quirksmode.org/dom/w3c_core.html#t13">http://www.quirksmode.org/dom/w3c_core.html#t13</a> written, that IE8 support this method. 
  What I doing wrong?</p>