JSFiddle - React, Tailwind, and code Playground

HTML

<div class="ccms_form_element cfdiv_custom" id="style_container_div">
<label>Beer Style:</label><select size="1" id="beerStyle" class=" validate['required']" title="" type="select" name="style">
<option value="">-Choose A Style-</option>
<option value="Ale">Ale</option>
<option value="Lager">Lager</option>
<option value="Hybrid">Hybrid</option>
</select><div class="clear"></div><div id="error-message-style"></div></div>
<div id="Ale"  class="style-sub-1"  style="display: none;" name="stylesub1" onchange="ChangeDropdowns(this.value)">
  <label>Which Kind of Ale?</label>
    <select>
      <option value="">-Choose An Ale-</option> 
      <option value="American Ale">American Ale</option>
      <option value="Belgian / French Ale">Belgian / French Ale</option>
      <option value="English Ale">English Ale</option>
      <option value="Finnish Ale">Finnish Ale</option>
      <option value="German Ale">German Ale</option>
      <option value="Irish Ale">Irish Ale</option>
      <option value="Russian Ale">Russian Ale</option>
      <option value="Scottish Ale">Scottish Ale</option>
    </select>
</div>
<div id="Lager"  class="style-sub-1"  style="display: none;" name="stylesub1" onchange="ChangeDropdowns(this.value)">
  <label>Which Kind of Lager?</label>
    <select>
    <option value="">-Choose A Lager-</option>
      <option value="American Lager">American Lager</option>
      <option value="Czech Lager">Czech Lager</option>
      <option value="European Lager">European Lager</option>
      <option value="German Lager">German Lager</option>
      <option value="Japanese Lager">Japanese Lager</option>
    </select>
</div>
<div id="Hybrid"  class="style-sub-1"  style="display: none;" name="stylesub1" onchange="ChangeDropdowns(this.value)">
  <label>Which Kind of Hybrid?</label> 
    <select>
    <option value="">-Choose A Hybrid-</option>
      <option value="Fruit / Vegetable Beer">Fruit / Vegetable Beer</option>
      <option value="Herbed / Spiced Beer">Herbed /...

JavaScript

$("#beerStyle").change ( function () {
    var targID  = $(this).val ();
    $("div.style-sub-1").hide ();
    $('#' + targID).show ();
} )