JSFiddle - React, Tailwind, and code Playground

by kurotanshi

HTML

<select id="a1">
    <option value="a01">a01</option>
    <option value="a02">a02</option>
    <option value="a03">a03</option>
</select>
<select id="a2">
    <option value="">請選擇</option>
</select>

JavaScript

$("select").change(function () {
    alert($(this).val());
});