beforeunload.html « browser « tests « startup « components « toolkit - UXP - Unnamed repository; edit this file 'description' to name the repository.

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path: root/toolkit/components/startup/tests/browser/beforeunload.html

blob: 93ddd5f14349f4fe182ee01348621dcc6c3de9ff (plain)

<html>
  <script>
  window.onbeforeunload = function(event) {
    event.returnValue = 'Test beforeunload handler';
  }
  </script>
  <body>
    Test page
  </body>
</html>