echarts-stat-tofixed

fixed some error about toFixed() for echarts-stat

Usage no npm install needed!

<script type="module">
  import echartsStatTofixed from 'https://cdn.skypack.dev/echarts-stat-tofixed';
</script>

fixed some toFixed () errors, the original document：https://github.com/ecomfe/echarts-stat/blob/master/README.zh-CN.md