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Return small HTML page

Deliver an HTML page from an HTML string directly inside the Worker script.
const html = `<!DOCTYPE html>
<body>
  <h1>Hello World</h1>
  <p>This markup was generated by a Cloudflare Worker.</p>
</body>`;



async function handleRequest(request) {
  return new Response(html, {
    headers: {
      'content-type': 'text/html;charset=UTF-8',
    },
  });

}



addEventListener('fetch', event => {
  return event.respondWith(handleRequest(event.request));

});