title: wkhtmtopdf javascript not working
body: <p>I want to execute javascript code before exporting to pdf. When I execute the code on Ubuntu, its working fine but on CentOS , javascript is running when the page is being previewed in the broswer,but doesn't run when i download the PDF file (on the server).</p>
  
  <p>I am also using 'javascript-delay': "15000".
  But it doesn't work.</p>
  
  <p>I am using the following version of the library in my local system (Ubuntu 16.10). Using this version, I am able to generate proper PDF file.</p>
  
  <blockquote>
    <p>wkhtmltopdf 0.12.3.2</p>
  </blockquote>
  
  <p>But for centos, the javascript is not being executed before PDF export.
  The following version is available:</p>
  
  <blockquote>
    <p>wkhtmltopdf 0.12.3 (with patched qt)</p>
  </blockquote>