如何让网站重定向到列表上的随机链接？

var links = [
  "https://example.com/link1",
  "https://example.com/link2",
  "https://example.com/link3",
  // 添加更多链接...
];

function getRandomLink() {
  var randomIndex = Math.floor(Math.random() * links.length);
  return links[randomIndex];
}

const express = require('express');
const app = express();

app.get('/redirect', (req, res) => {
  var randomLink = getRandomLink();
  res.redirect(randomLink);
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});

<button onclick="redirect()">点击跳转</button>

<script>
function redirect() {
  window.location.href = '/redirect';
}
</script>