prerender-while-prerender-outer.html (747B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Prerender while prerendering test: outer prerendered page</title> 4 <script src="utils.js"></script> 5 6 <script type="module"> 7 const params = new URLSearchParams(location.search); 8 const uid = params.get("uid"); 9 const innerURL = `prerender-while-prerender-inner.html?uid=${uid}`; 10 11 startPrerendering(innerURL); 12 // Wait 5 seconds for any potential prerender to start and get to the point 13 // where it would send a message that would cause a failure. 14 await new Promise(r => setTimeout(r, 5_000)); 15 16 document.addEventListener("prerenderingchange", () => { 17 location.href = innerURL; 18 }); 19 20 const channel = new PrerenderChannel("start-test", uid); 21 channel.postMessage("ready to start"); 22 channel.close(); 23 </script>