var data = [["your name", "myvalue"], ["myr name", "thivalue"]];function string_join(data) {var str = "", arr = [];for (var i = 0; i < data.length; i++) { for (var j = 0; j < data[i].length; j++) {data[i][j] = slash(data[i][j]); } arr.push(data[i].join("/"));}return arr.join(",");}function slash(string) { return String(string).replace(/[\/,]/g, "\$&");}function string_split(string) { var c, cur_str = "", cache = [], result = []; for (var i = 0; i < string.length; i++) {c = string.charAt(i);switch(c) { case "\":cur_str += string.charAt(++i);break; case "/":cache.push(cur_str);cur_str = "";break; case ",":cache.push(cur_str);cur_str = "";result.push(cache);cache = [];break; default:cur_str += c;} } if (cur_str.length) {cache.push(cur_str); } if (cache.length) {result.push(cache); } return result;}var before = string_join(data);console.log(before);var after = string_split(before);console.log(after);