jQuery add target="_blank" for outgoing link and pdf files

script.js

(function($) {
 
  jQuery( document ).ready(function($) {
    // external links to new window  
    add_target_blank_to_external_links();
    
    // force PDF Files to open in new window
    add_target_blank_to_pdf_links();
  });

  function add_target_blank_to_external_links(){
    $( 'a[href^="http://"], a[href^="https://"]' ).not( 'a[href*="'+ location.hostname +'"]' ).attr( 'target','_blank' );
  }
 
  function add_target_blank_to_pdf_links(){
    $( 'a[href$=".pdf"]' ).attr( 'target', '_blank' );
  }
  
})(jQuery);