---
title: HTML Properties
order: 10
---

## HTML Properties

Unknown (non-ECharts) props are passed through to the div element.

```tsx
import React from 'react';
import ReactECharts from 'echarts-for-react';

const Page: React.FC = () => {
  const option = {
    title: {
      text: '堆叠区域图'
    },
    tooltip : {
      trigger: 'axis'
    },
    legend: {
      data:['邮件营销','联盟广告','视频广告']
    },
    toolbox: {
      feature: {
        saveAsImage: {}
      }
    },
    grid: {
      left: '3%',
      right: '4%',
      bottom: '3%',
      containLabel: true
    },
    xAxis : [
      {
        type : 'category',
        boundaryGap : false,
        data : ['周一','周二','周三','周四','周五','周六','周日']
      }
    ],
    yAxis : [
      {
        type : 'value'
      }
    ],
    series : [
      {
        name:'邮件营销',
        type:'line',
        stack: '总量',
        areaStyle: {normal: {}},
        data:[120, 132, 101, 134, 90, 230, 210]
      },
      {
        name:'联盟广告',
        type:'line',
        stack: '总量',
        areaStyle: {normal: {}},
        data:[220, 182, 191, 234, 290, 330, 310]
      },
      {
        name:'视频广告',
        type:'line',
        stack: '总量',
        areaStyle: {normal: {}},
        data:[150, 232, 201, 154, 190, 330, 410]
      }
    ]
  };

  const handleDemoButton = () => {
    console.log(document.querySelector(['[data-testid="html-props-demo"]']));
    window.alert('Open console, see the log detail.')
  };

  return (
    <>
      <ReactECharts
        option={option}
        style={{ height: 400 }}
        role="figure"
        data-testid="html-props-demo"
      />
      <button type="button" onClick={handleDemoButton}>Demo</button>
    </>
  );
};

export default Page;
```