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Accessing the Cloudflare object

Access custom Cloudflare properties and control how Cloudflare features are applied to every request.

addEventListener("fetch", event => {  const data = !== undefined ? :      { 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"      }    })  )})


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