JSFiddle - React, Tailwind, and code Playground

HTML

<form name="signup" id="signup"  method="post" onsubmit="return validateForm();">

<input class="radio" type="radio" name="cd_TUESDAY-DINNER_radio" value="y" />
<input class="radio" type="hidden" name="cd_TUESDAY-DINNER_radio" value="n" checked="checked"  />Yes, I will attend the Tuesday evening Dinner.


<select name="cd_ENTREE">
<option value="" name="cd_ENTREE">Select an Entree;</option>
  <option value="Filet Mignon" name="cd_ENTREE">Filet Mignon </option>
  <option value="Grilled Chicken" name="cd_ENTREE">Grilled Chicken</option>
   <option value="Salmon" name="cd_ENTREE">Sauteed Saffron  Salmon</option>  <option value="Portobello"  name="cd_ENTREE">Portobello and Vegetable Short Stack</option>
</select>



<select name="cd_DESSERT">
<option value="" name="cd_DESSERT">Select a Dessert</option>
  <option value="Chocolate Decadence Cake" name="cd_DESSERT">Chocolate Decadence Cake with Berry Coulis </option>
  <option value="Cheesecake" name="cd_DESSERT">Cheesecake with Fresh Fruit Compote</option>
</select>

    <input type="submit" value="Submit Form">


</form>

JavaScript

function validateForm()
{
alert("DDD");
    return false;
}