incumbent.html (353B)
1 <!DOCTYPE html> 2 <meta charset=utf-8> 3 <title>Incumbent page</title> 4 5 <iframe src="../current/current.html" id="c"></iframe> 6 7 <script> 8 const current = document.querySelector("#c").contentWindow; 9 10 window.hello = () => { 11 const worker = new current.Worker('worker.js'); 12 worker.onmessage = e => { parent.postMessage(e.data, '*'); } 13 }; 14 </script>