Create a csv file from js array from frontend

jsArrayCSV.js

var rows = [["name1", "city1", "some other info"], ["name2", "city2", "more info"]];
var csvContent = "data:text/csv;charset=utf-8,";
rows.forEach(function(rowArray){
   let row = rowArray.join(",");
   csvContent += row + "\r\n";
}); 

var encodedUri = encodeURI(csvContent);
var link = document.createElement("a");
link.setAttribute("href", encodedUri);
link.setAttribute("download", "my_data.csv");
document.body.appendChild(link); // Required for FF

link.click(); // This will download the data file named "my_data.csv".