title: Difference between escape(), encodeURI(), encodeURIComponent()
body: <p>In JavaScript, what is the difference between these?</p>
  
  <ol>
  <li><code>escape()</code> / <code>unescape()</code></li>
  <li><code>encodeuri()</code> / <code>decodeuri()</code></li>
  <li><code>encodeURIComponent()</code> / <code>decodeURIComponent()</code></li>
  </ol>