old_contents: Highcharts.chart('container', {
      chart: {
          type: 'scatter',
          zoomType: 'xy'
      },
      title: {
          text: 'Tmie Versus Executing Functions'
      },
      subtitle: {
        text: '  '
      },
      xAxis: {
          title: {
              enabled: true,
              text: 'Time (s)'
          },
          startOnTick: true,
          endOnTick: true,
          showLastLabel: true
      },
      yAxis: {
          title: {
              text: 'Function (ID)'
          }
      },
      legend: {
          layout: 'vertical',
          align: 'left',
          verticalAlign: 'top',
          x: 0,
          y: 50,
          floating: false,
          backgroundColor: (Highcharts.theme && Highcharts.theme.legendBackgroundColor) || '#FFFFFF',
          borderWidth: 1
      },
      plotOptions: {
          scatter: {
              marker: {
                  radius: 2,
                  states: {
                      hover: {
                          enabled: true,
                          lineColor: 'rgb(100,100,100)'
                      }
                  }
              },
              states: {
                  hover: {
                      marker: {
                          enabled: false
                      }
                  }
              },
              tooltip: {
                  headerFormat: '<b>Category: {series.name}</b><br>',
                  pointFormat: '[{point.x} s] ID: {point.y}, Name: {point.name}'
              }
          }
      },
      series: trace_data
  });
  
  
  
new_contents: Highcharts.chart('container', {
      chart: {
          type: 'scatter',
          zoomType: 'xy'
      },
      title: {
          text: 'Time Versus Functions and Events'
      },
      subtitle: {
        text: '  '
      },
      xAxis: {
          title: {
              enabled: true,
              text: 'Time (s)'
          },
          startOnTick: true,
          endOnTick: true,
          showLastLabel: true
      },
      yAxis: {
          title: {
              text: 'Function (ID)'
          }
      },
      legend: {
          layout: 'vertical',
          align: 'left',
          verticalAlign: 'top',
          x: 0,
          y: 50,
          floating: false,
          backgroundColor: (Highcharts.theme && Highcharts.theme.legendBackgroundColor) || '#FFFFFF',
          borderWidth: 1
      },
      plotOptions: {
          scatter: {
              marker: {
                  radius: 2,
                  states: {
                      hover: {
                          enabled: true,
                          lineColor: 'rgb(100,100,100)'
                      }
                  }
              },
              states: {
                  hover: {
                      marker: {
                          enabled: false
                      }
                  }
              },
              tooltip: {
                  headerFormat: '<b>Category: {series.name}</b><br>',
                  pointFormat: '[{point.x} s] ID: {point.y}, Name: {point.name}'
              }
          }
      },
      series: trace_data
  });
  
  
  
subject: Fix title of app.js