/* Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ */ function handleRequest(request, response) { const Etag = '"4d881ab-b03-435f0a0f9ef00"'; const IfNoneMatch = request.hasHeader("If-None-Match") ? request.getHeader("If-None-Match") : ""; const guid = "xxxxxxxx-xxxx-xxxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function( c ) { const r = (Math.random() * 16) | 0; const v = c === "x" ? r : (r & 0x3) | 0x8; return v.toString(16); }); const page = "

" + guid + "

"; response.setHeader("Etag", Etag, false); if (IfNoneMatch === Etag) { response.setStatusLine(request.httpVersion, "304", "Not Modified"); } else { response.setHeader("Content-Type", "text/html; charset=utf-8", false); response.setHeader("Content-Length", page.length + "", false); response.write(page); } }