)); //Bpdy.text take a response stram and reads it to completion. document.getElementById('message.container').textContent = message; let message = "The data contains: \n'; message = message + 'and' +data.colums.length + 'columns'; message = message + Math.round(d3.csvFormat(data).length / 1024 + 'k8\n'; message = message + data.length + 'rows\n'; //with d3.csv