const CSVURL = "https://gist.githubusercontent.com/manishcheruku/b61da61e83795b086becb77c5bcc13b6/raw/b70678327574c19e6313619cad0768fde1a95c6f/customers.csv"; d3.csv(CSVURL).then(data => { let message = '\n\n\nThe metadata of the dataset is as follows: \nThe data contains: \n'; message = message + Math.round(d3.csvFormat(data).length / 1024) + 'kB\n'; message = message + data.length + ' rows\n'; message = message + data.columns.length + ' columns'; document.getElementById('message-container').textContent = message; });