post_message_with_ports.html 303 B

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  1. <html>
  2. <head>
  3. <script>
  4. let channel = new MessageChannel();
  5. myObject.postMessage("Hello", [channel.port1]);
  6. channel.port2.onmessage = function(e) {
  7. document.title = e.data;
  8. }
  9. </script>
  10. </head>
  11. <body>
  12. <div>post message with ports</div>
  13. </body>
  14. </html>