````md
::: echarts A bar chart
```js
const data = []

for (let i = 0; i < 5; i++) data.push(Math.round(Math.random() * 200))

const option = {
  xAxis: {
    max: 'dataMax',
  },
  yAxis: {
    type: 'category',
    data: ['A', 'B', 'C', 'D', 'E'],
    inverse: true,
    animationDuration: 300,
    animationDurationUpdate: 300,
    max: 2, // only the largest 3 bars will be displayed
  },
  series: [
    {
      realtimeSort: true,
      name: 'X',
      type: 'bar',
      data,
      label: {
        show: true,
        position: 'right',
        valueAnimation: true,
      },
    },
  ],
  legend: {
    show: true,
  },
  toolbox: {
    show: true,
    feature: {
      mark: {
        show: true,
      },
      dataView: {
        show: true,
        readOnly: false,
      },
      restore: {
        show: true,
      },
      saveAsImage: {
        show: true,
      },
    },
  },
  animationDuration: 0,
  animationDurationUpdate: 3000,
  animationEasing: 'linear',
  animationEasingUpdate: 'linear',
}
function run() {
  for (let i = 0; i < data.length; i++)
    data[i] += Math.round(Math.random() * Math.random() > 0.9 ? 2000 : 200)

  echarts.setOption({
    series: [{ type: 'bar', data }],
  })
}

const timeId = setInterval(() => {
  if (echarts._disposed)
    return clearInterval(timeId)

  run()
}, 3000)
```
:::
````