title: How to generate input box by jQuery
body: <p>Suppose I have a drop down box to define how many row of input box, then generate the designated rows of input box, after that each row of input box with attach a drop down box, it can define how many input box of each row, illustrated as below:</p>
  
  <p><img src="https://i.stack.imgur.com/xgRUG.jpg" alt="enter image description here"></p>
  
  <p>Could anyone suggest the snippet for this procedure?</p>
  
  <p>Thanks</p>