массив JavaScript к запятой отдельно
var colors = ["red", "blue", "green"];
var colorsCSV = colors.join(","); //"red,blue,green"
Grepper
var colors = ["red", "blue", "green"];
var colorsCSV = colors.join(","); //"red,blue,green"var array = string.split(',');
string fruit = "Apple,Banana,Orange,Strawberry";
string[] split = fruit.Split(',');