Get column name value from array using jquery

Question

i have a table and in my table i have checkbox for selecting multiple value of row. Here i am selecting 2 checkbox and click on add button then all values add in object of array like as var arr= new Array(); so save value in arr and in this arr contains following values.

 

 

 

So i want to get particular values in specific object.Like this

 

AcID ---

ItemName---

ProdRate---

And so on

If i am selecting 5 checkbox then all 5 values of AcID save in AcID object and same as all  SB FORMS saved in  ItemName object. All is working in jquery.

 

Any help will be appreciate.