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Fix 26745: don't auto-play #26748

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merged 1 commit into from
May 13, 2023
Merged

Fix 26745: don't auto-play #26748

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30 changes: 17 additions & 13 deletions files/en-us/web/api/htmlmediaelement/preservespitch/index.md
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Original file line number Diff line number Diff line change
Expand Up @@ -46,19 +46,23 @@ div {

```js
const audio = document.querySelector("audio");

const rate = document.querySelector("#rate");
rate.addEventListener("input", () => (audio.playbackRate = rate.value));

const pitch = document.querySelector("#pitch");
pitch.addEventListener("change", () => {
if ("preservesPitch" in audio) {
audio.preservesPitch = pitch.checked;
} else if ("mozPreservesPitch" in audio) {
// deprecated
audio.mozPreservesPitch = pitch.checked;
}
});
// When the audio starts playing...
audio.addEventListener(
"play",
() => {
// Handle page visibility change:
// - If the page is hidden, pause the video
// - If the page is shown, play the video
document.addEventListener("visibilitychange", () => {
if (document.hidden) {
audio.pause();
} else {
audio.play();
}
});
},
{ once: true }
);
```

{{EmbedLiveSample("Setting the preservesPitch property")}}
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