title: How to create new local folder/directory in javascript
body: <p>I want to create new folder locally using javascript in firefox browser. Following piece of code I tried, but no sucess.</p>
  
  <pre><code>var dir = new Dir(rcDirUrl); //doesnt work
  dir.create(dir.DIRECTORY_TYPE, 0775);
  </code></pre>
  
  <p>Can anyone help out how to create directory in javascript.</p>