anchor.diff:                              }
                               replPre.scrollTop = replPre.scrollHeight;
                           });
  +                    }else if(ev.keyCode == 38) {
  +                        // the user pressed the up arrow.
  +                        populateCommandPrompt(replInput, previousCommandOffset - 1, -1);     
  +                    }else if(ev.keyCode == 40) {
  +                        // the user pressed the down arrow.
  +                        populateCommandPrompt(replInput, previousCommandOffset + 1, previousCommands.length);
                       }
                   };
               }
           })(i, frames[i], frameInfos[i]);
       }
  +    
  +    document.querySelector(".frames li:first-child").click();
       
       var applicationFrames = document.getElementById("application_frames");
       var allFrames = document.getElementById("all_frames");
  
positive.code:     var header = document.querySelector("header");
      var headerHeight = header.offsetHeight;
      
      apiCall = function(method, opts, cb) {
          var req = new XMLHttpRequest();
          req.open("POST", "/__better_errors/" + oid + "/" + method, true);
  
negative.code:     };
      
      applicationFrames.click();
  })();
  </script>
  </html>
  