JSFiddle - React, Tailwind, and code Playground

HTML

<form>
Choose which browser you prefer:
<select id="browsers" onchange="showstuff('show', 'NO', this);">
<option value="Yes">Yes</option>
<option value="NO">No</option>
</select>
</form>

<table>
       <tr id="show" style="display: none">
<td>Write why no?</td>
           <td><input type="text" name="whyno"/></td>
</tr>


</table>

JavaScript

function showstuff(element, option, t){
   if(t.options[t.selectedIndex].value==option){
      document.getElementById(element).style.display="block";
   }else{
       document.getElementById(element).style.display="none";
   }
}