anchor.diff:  
       <p class='no-inline-style-notice'>
           <strong>
  -            Better Errors can't apply inline style,
  +            Better Errors can't apply inline style<span class='no-javascript-notice'> (or run Javascript)</span>,
               possibly because you have a Content Security Policy along with Turbolinks.
               But you can
               <a href='/__better_errors' target="_blank">open the interactive console in a new tab/window</a>.
  
positive.code:      * Display area
       * --------------------------------------------------------------------- */
  
      .no-javascript-notice {
        margin-bottom: 1em;
        padding: 1em;
        border: 2px solid #e00;
  
negative.code:     document.querySelector('body').classList.remove("better-errors-javascript-not-loaded");
      document.querySelector('body').classList.add("better-errors-javascript-loaded");
  
      var noJSNotices = document.querySelectorAll('.no-javascript-notice');
      for(var i = 0; i < noJSNotices.length; i++) {
          noJSNotices[i].remove();
      }
  
      function apiCall(method, opts, cb) {
          var req = new XMLHttpRequest();
          req.open("POST", "//" + window.location.host + <%== uri_prefix.gsub("<", "&lt;").inspect %> + "/__better_errors/" + OID + "/" + method, true);
  