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DanfoJS read file

Read datasets and load them into DanfoJS


DanfoJS read local file

The browser version of DanfoJS is loaded by default.

Save a remote file locally

// Get Url
const r = await fetch('https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv')
const content = await r.text();
// Write ti file
_fs.writeFileSync(__dirname+'/finance-charts-apple.csv', content);

Read local file

The browser version only support http:// urls. To read local file, use Node FS API like below:

const data = _fs.readFileSync(__dirname+'/finance-charts-apple.csv', 'utf8');
const blob = new Blob([data], {
  type: "application/text",

const df = await dfd.readCSV(blob);

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