| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/dom/media/webvtt/test/mochitest/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle test_texttracklist.htmlSprache: HTML |
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<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=882703 --> <head> <meta charset="utf-8"> <title>Media test: TextTrackList change event</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <p id="display"></p> <div id="content"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> SimpleTest.waitForExplicitFinish(); let video = document.createElement("video"); isnot(video.textTracks, null, "Video should have a list of TextTracks."); video.addTextTrack("subtitles", "", ""); let track = video.textTracks[0]; video.textTracks.addEventListener("change", changed); is(track.mode, "hidden", "New TextTrack's mode should be hidden."); track.mode = "showing"; // Bug882674: change the mode again to see if we receive only one // change event. track.mode = "hidden"; var eventCount = 0; function changed(event) { eventCount++; is(eventCount, 1, "change event dispatched multiple times."); is(event.target, video.textTracks, "change event's target should be video.textTracks.") ok(event instanceof window.Event, "change event should be a simple event."); ok(!event.bubbles, "change event should not bubble."); ok(event.isTrusted, "change event should be trusted."); ok(!event.cancelable, "change event should not be cancelable."); // Delay the finish function call for testing the change event count. setTimeout(SimpleTest.finish, 0); } </script> </pre> </body> </html>
¤ Dauer der Verarbeitung: 0.25 Sekunden (vorverarbeitet am 2026-08-25) ¤*© Formatika GbR, Deutschland |
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2026-08-25