var data = [ [1, 4862.4], [2, 5294.7], [3, 5934.5], [4, 7171.0], [5, 8964.4], [6, 10202.2], [7, 11962.5], [8, 14928.3], [9, 16909.2], [10, 18547.9], [11, 21617.8], [12, 26638.1], [13, 34634.4], [14, 46759.4], [15, 58478.1], [16, 67884.6], [17, 74462.6], [18, 79395.7] ]; // See https://github.com/ecomfe/echarts-stat // var myRegression = ecStat.regression('exponential', data); // myRegression.points.sort(function(a, b) { // return a[0] - b[0]; // }); option = { backgroundColor: '#062C42', title: { text: '1981 - 1998 gross domestic product GDP (trillion yuan)', }, color: ['#FAC305'], tooltip: { trigger: 'axis', // axisPointer: { // type: 'cross' // } }, xAxis: { type: 'value', splitLine: { lineStyle: { type: 'dashed', color: '#42B9FF', } }, axisLine: { show: false }, axisTick: { show: false }, axisLabel: { show: true, textStyle: { color: '#fff' } }, splitNumber: 20 }, yAxis: { type: 'value', axisLine: { show: false }, axisTick: { show: false }, axisLabel: { show: true, textStyle: { color: '#fff' } }, splitLine: { show: false, } }, series: [{ name: 'scatter', type: 'scatter', emphasis: { itemStyle: { color: '#42B9FF', borderColor: '#062C42', borderWidth: 2, shadowColor: '#42B9FF', shadowBlur: 2, // shadowColor:'#42B9FF' }, label: { show: true, position: 'right', color: '#42B9FF', fontSize: 16 } }, data: data }] };