JSFiddle - React, Tailwind, and code Playground

by dactivo

HTML

<select id="first_drop_down">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
</select>

<select id="second_drop_down">
  
</select>

JavaScript

var timeChanged=1;
$("#first_drop_down").change(function()
                   {
                   
        $("#second_drop_down").children().remove();
       $("#second_drop_down").append("<option value=\"volvo\">Volvo"+ timeChanged+"</option><option value=\"saab\">Saab"+ timeChanged+"</option><option value=\"mercedes\">Mercedes"+ timeChanged+"</option>");
                          timeChanged++;
                   });