       var xAxisData = [];
                var data1 = [];
                var data3 = [];

                for (var i = 0; i < 100; i++) {
                    xAxisData.push('category' + i);
                    data1.push((Math.random() * 5).toFixed(2) * 1e6);
                    data3.push((Math.random() + 0.5).toFixed(2) * 1e6);
                }

                var option = {
                    backgroundColor: '#fe9',
                    tooltip: {
                        trigger: 'axis',
           