File: iframe-messagechannel-failure.html

package info (click to toggle)
firefox-esr 78.15.0esr-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,301,156 kB
  • sloc: cpp: 5,665,905; javascript: 4,798,386; ansic: 2,878,233; python: 977,004; asm: 270,347; xml: 181,456; java: 111,756; sh: 72,926; makefile: 21,819; perl: 13,380; cs: 4,725; yacc: 4,565; objc: 3,026; pascal: 1,787; lex: 1,720; ada: 1,681; exp: 505; php: 436; lisp: 260; awk: 152; ruby: 103; csh: 80; sed: 53; sql: 45
file content (7 lines) | stat: -rw-r--r-- 343 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
 
<!DOCTYPE html>
<script>
  const channel = new MessageChannel();
  window.parent.postMessage(channel.port2, '*', [channel.port2]);
  channel.port1.onmessage = e => { alert(e.data); channel.port1.postMessage("message event received") };
  channel.port1.onmessageerror = () => channel.port1.postMessage("messageerror event received");
</script>