In this post, we will learn about jquery remove value from comma separated string with an example. In this article, I will discuss how to read comma separated data values in R and store these values in data frame. How to fetch data from JSON file and display in HTML table using jQuery ? A comma-separated valuation (CSV) file is a demarcated file format that uses a comma to isolate the values. $ ('#btnCheck').click (function () {. var arrA = []; var arrValue = "test,test1,test2"; var arrB = ["test","test1","test2"]; If not used, Separated Comma(, ) is used.