JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://rawgit.com/Semantic-Org/Semantic-UI/next/dist/semantic.js"></script>
<link rel="stylesheet" href="https://rawgit.com/Semantic-Org/Semantic-UI/next/dist/semantic.css">
<div class="ui selection dropdown">
  <input type="hidden" name="gender">
  <i class="dropdown icon"></i>
  <div class="default text">Gender</div>
  <div class="menu">
    <div class="item" data-value="1">Male</div>
    <div class="item" data-value="0">Female</div>
  </div>
</div>

CSS

body {
    padding: 1em;
}

JavaScript

$('.ui.dropdown').dropdown('set selected', '0');