Show a second dropdown based on previous dropdown selection

Question

First off, I hate bringing up an issue that has already been dealt with, but you should know the other options I have found on this site aren\'t working for me.

Basi

Answer 1

include html code first

 
    
      -
      Satec
      Masibus
      Pyrotech
       Schneider

    

    
    
      -
      PM130
      PM2160A
      MFM101
       ABC
    

after include js script

It will sure work.