Add External javascript file based on screen resolution?

HI Guys it is very simple add external java script file based on the screen resolution .


The below script is useful for add script

<script>

   if ( $(window).width() > 739) {      

       var head    = document.getElementsByTagName('head')[0];

       var script  = document.createElement('script');

       script.type = 'text/javascript';

       script.src  = 'js/bootstrap.min.js';

  var link  = document.createElement('link');

       link.href  = 'css/bootstrap.min.css';

  link.rel  = 'stylesheet';

       head.appendChild(script);

       head.appendChild(link);

}

  

  </script>