JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<h2 id="result">今天中午吃什麼？</h2>
<button onclick="pickFood()">抽籤！</button>

<script>
function pickFood() {
  document.getElementById("result").innerText = "便當";
}
</script>
  
</body>
</html>