JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <button type="button">Click all links</button>
    <ul>
      <li><a href="https://example.com"></a></li>
      <li><a href="javascript:openLink(1)"></a></li>
      <li><a href="javascript:openLink(2)"></a></li>
      <li><a href="javascript:openLink(3)"></a></li>
      <li><a href="javascript:openLinkSlow(4)"></a></li>
      <li><a href="javascript:openLinkAsync(5)"></a></li>
    </ul>
  </body>
</html>

CSS

a::after {
  content: attr(href);
}

JavaScript

function openLink(id) {
  window.open(`https://www.google.com.tw/search?q=${id}`, '_blank', 'noopenner');
}

function openLinkSlow(id) {
	// sync code that takes a long time
	let sum = 0;
	for (let i = 0, I = 10**9; i < I; i++) {
    sum += i;
  }

  window.open(`https://www.google.com.tw/search?q=${id}`, '_blank', 'noopenner');
}

async function openLinkAsync(id) {
	setTimeout(() => {
    window.open(`https://www.google.com.tw/search?q=${id}`, '_blank', 'noopenner');
  }, 1000);
}

document.querySelector('button').addEventListener('click', (event) => {
	document.querySelectorAll('a[href], area[href]').forEach(a => a.click());
});