JSFiddle - React, Tailwind, and code Playground

HTML

<head>

</head>
<body>
<div data-role="page" id="main_page">

  <div data-role="header" role="banner" data-position="inline" data-theme="e">
    <h1 role="heading">Selectmenu encoding</h1>
  </div>  <!-- /header main -->

  <div data-role="content" id="main_content">
      
    <select id="sel" data-native-menu="false" multiple="true">
        <option value=""></option>
        <option value="1">1</option>
        <option value="2">2</option>
    </select>
  </div>
</div>
    
<script>
    $("#sel option").click(function(){
        alert("Test");
    });
    </script>
</body>