Accessing the object
Access custom Cloudflare properties and control how Cloudflare features are applied to every request.
addEventListener('fetch', event => { const data = event.request.cf !== undefined ? event.request.cf : { error: 'The `cf` object is not available inside the preview.' };
return event.respondWith( new Response(JSON.stringify(data, null, 2), { headers: { 'content-type': 'application/json;charset=UTF-8', }, }) );
});