apache echarts get canvas image in base64

apache-echarts-image-retriever.js

const img = new Image();

// get the chart instance data as url
img.src = myChart.getDataURL({
  type: 'png', // can be jpeg or png
  pixelRatio: 5, // image's ratio. default is 1
  backgroundColor: '#fff', // hex color defining the background of the chart
});

// just for sampling

// opening new tab
const imgTab = window.open('');
// rendering the base64 image retrieved
imgTab.document.write(`<img src='${img.src}'/>`);