JavaScript でcsvをtableに変換する

var table = csv2table(csv);


    function csv2table(text) {

        var rows = text.split("\n");
        var table = document.createElement("table");

        for ( var i = 0; i < rows.length; i++ ) {
            var tr = document.createElement("tr");
            var tds = rows[i].split(",");
            for ( var j = 0; j < tds.length; j++ ) {
               var td = document.createElement(i == 0 ? "th" : "td");
               td.innerHTML = tds[j];
               tr.appendChild(td);
            }
            table.appendChild(tr);
        }

        return table.innerHTML;
    }