pls refer

http://jsfiddle.net/Lxr8shcq/5/

Add row allow me to add new row with cloning

how can I initialize the values of the new row 

1. Dropdown
2.  td Cell value
3. Inputs

so that In new row 

we will have 

blank row   

i.e.

no value selected in dropdown

or  nothing is selected and blank values in input

and <td> </td> values will be blank

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One more question

Once User select a value from dropdown

of newly populated row

i want to populate certain values in columns i.e. <td> </td> of the same row 

based on  

new value (i.e. id) of the dropdown using AJAX

i donow know how can i do it