title: java script for getting total price based on selected value from drop dowv
body: <p>I am trying to develop a code in js where i have three feilds in a form </p>
  
  <p>one is the price that is dynamic and other is the drop down in which i had ten values from 1 to 10  I want whenever I select option from dropdown i should get the total price base on the unit price</p>
  
  <p>any kind of help appreciated</p>