如何将数组值打印到变量中?

Here, i have used chartist js for area chart. Each currency having the different value. I have stored each currency value in each variable. After ajax call i added value like that var arrVal = $('#changeCurrency a').attr('id',' ');. But its not pointing currectly. When i given like that var arrVal = dataCur11 means it coming fine. What is the solution for this problem? Here, i have used chartist js for area chart. E