option = { xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] }, yAxis: { type: 'value' }, dataZoom: { "show": true, "height": 12, type: 'slider', startValue: 0, endValue: 4 }, series: [{ data: [120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130], type: 'bar', barWidth: 20, showBackground: true, backgroundStyle: { color: 'rgba(220, 220, 220, 0.8)' } },{ data: [120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130,120, 200, 150, 80, 70, 110, 130], type: 'bar', barWidth: 20, showBackground: true, backgroundStyle: { color: 'rgba(220, 220, 220, 0.8)' } }] };