Geolocation: Hello World
Get all geolocation data fields and display them in HTML.
addEventListener('fetch', event => {  event.respondWith(handleRequest(event.request));
});
async function handleRequest(request) {  let html_content = '';  let html_style = 'body{padding:6em; font-family: sans-serif;} h1{color:#f6821f;}';
  html_content += '<p> Colo: ' + request.cf.colo + '</p>';  html_content += '<p> Country: ' + request.cf.country + '</p>';  html_content += '<p> City: ' + request.cf.city + '</p>';  html_content += '<p> Continent: ' + request.cf.continent + '</p>';  html_content += '<p> Latitude: ' + request.cf.latitude + '</p>';  html_content += '<p> Longitude: ' + request.cf.longitude + '</p>';  html_content += '<p> PostalCode: ' + request.cf.postalCode + '</p>';  html_content += '<p> MetroCode: ' + request.cf.metroCode + '</p>';  html_content += '<p> Region: ' + request.cf.region + '</p>';  html_content += '<p> RegionCode: ' + request.cf.regionCode + '</p>';  html_content += '<p> Timezone: ' + request.cf.timezone + '</p>';
  let html = `<!DOCTYPE html><head>  <title> Geolocation: Hello World </title>  <style> ${html_style} </style></head><body>  <h1>Geolocation: Hello World!</h1>  <p>You now have access to geolocation data about where your user is visiting from.</p>  ${html_content}</body>`;
  return new Response(html, {    headers: {      'content-type': 'text/html;charset=UTF-8',    },  });
}