yAxis: [ { type: 'value' } ], series: [ { name: 'Direct', type: 'bar', emphasis...332, 301, 334, 390, 330, 320] }, { name: 'Email', type: 'bar', stack: 'Ad', emphasis...101, 134, 90, 230, 210] }, { name: 'Union Ads', type: 'bar', stack: 'Ad', emphasis...191, 234, 290, 330, 310] }, { name: 'Video Ads', type: 'bar', stack: 'Ad', emphasis...190, 130, 110] }, { name: 'Others', type: 'bar', stack: 'Search Engine', emphasis