Setting a work station for Software Industry at the Remote areas of Bangladesh

I want my eCommerce application  Suteki Shop  to be able to flexibly meet the requirements of any customer (within reason). How can we have a single product but enable our customers to have diverse implementations? I think the solution depends on the level of diversity and the number of customers. The right solution for a product with thousands of customers with little customization is different from a solution for a handful of customers with very diverse requirements. There are several axes of change to consider: Codebase. Do I have one codebase, or do I maintain a separate codebase for each customer? Application instance. Do I have one application instance to service all my customers, or does each customer have a separate one? Database schemas. Do I have one database schema, or do I have a different schema for each customer? Database instances. Do I have one database instance or separate ones for each customer? Lots of customers, a little customization Let's co...

Javar Script **************** //records_table var  Products  =   []; var  table ; table  =  document . getElementById ( "records_table" ); // Loop through each row and get ItemCode and Qty. for   ( var  r  =   0 ;  r  <  table . rows . length ;  r ++) { // This takes qty from Imput Field var  qty  =  table . rows [ r ]. cells [ 3 ]. getElementsByTagName ( 'input' )[ 0 ]. value ; // This takes text field data var  itemCode  =  table . rows [ r ]. cells [ 1 ]. innerHTML ; // Push the data to the Product array Products . push ({  ItemCode :  itemCode ,  Qty :  qty  }); } jQuery . ajax ({ type : ...