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Only Firefox browser won't play sounds

Firefox トラブルシューティング
jscher2000 -... replied
ramled.l951413
ramled.l951413

Only Firefox Browser 100.0.1 (64-bit) and (32-bit) won't respond to HTML <audio> Tag in a webpage. I have 4 computers (tower, laptops and tablet) using Windows 7 or Windows 10 though Firefox won't play <audio> tag sounds on any of them. All computers are also running Chrome (Version 101.0.4951.67 (Official Build) (64-bit)) and Internet Explorer (Ver: 20H2 OS Build 19042.1706) and those browsers play the <audio> Tag just fine. Note: videos from YouTube play video & audio as well as .mp3 files just fine in Firefox. Volume Mixer for Firefox is set to 50%, no mute. All other applications in Volume Mixer are set the same. I also deleted browsing history, cookies, Cash, Forms, Offline website data & search history as well as Site settings. Range to clear 'Today'. And, Firefox still won't respond to the <audio> tag. Also, restarted the computer and uninstalled Firefox and re-installed it, no change. w3schools.com indicates Firefox first supported the <audio> tag in version 3.5. Coding on webpage is: (javascript) $document.onkeyup(function(i){if(i.keyCode==37){document.getElementById('audio').play();}else{if (e.keyCode == 39){document.getElementById('audio').play();}}}) HTML coding is: <audio id="audio" controls style="display:none"> <source src="https://www.b*******.mp3" type="audio/mpeg"> Your browser does not support the audio element.</audio>. I also tried including <code>audio</code> element. just before the </audio> closing tag though no change. Thoughts?

Only Firefox Browser 100.0.1 (64-bit) and (32-bit) won't respond to HTML <audio> Tag in a webpage. I have 4 computers (tower, laptops and tablet) using Windows 7 or Windows 10 though Firefox won't play <audio> tag sounds on any of them. All computers are also running Chrome (Version 101.0.4951.67 (Official Build) (64-bit)) and Internet Explorer (Ver: 20H2 OS Build 19042.1706) and those browsers play the <audio> Tag just fine. Note: videos from YouTube play video & audio as well as .mp3 files just fine in Firefox. Volume Mixer for Firefox is set to 50%, no mute. All other applications in Volume Mixer are set the same. I also deleted browsing history, cookies, Cash, Forms, Offline website data & search history as well as Site settings. Range to clear 'Today'. And, Firefox still won't respond to the <audio> tag. Also, restarted the computer and uninstalled Firefox and re-installed it, no change. w3schools.com indicates Firefox first supported the &lt;audio&gt; tag in version 3.5. Coding on webpage is: (javascript) $document.onkeyup(function(i){if(i.keyCode==37){document.getElementById('audio').play();}else{if (e.keyCode == 39){document.getElementById('audio').play();}}}) HTML coding is: &lt;audio id="audio" controls style="display:none"&gt; &lt;source src="https://www.b*******.mp3" type="audio/mpeg"&gt; Your browser does not support the audio element.&lt;/audio&gt;. I also tried including &lt;code&gt;audio&lt;/code&gt; element. just before the &lt;/audio&gt; closing tag though no change. Thoughts?

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer

Unfortunately, putting a space at the beginning of a line causes this site to treat it as preformatted text and not wrap the lines. There should be an Edit option next to your post in the Question Tools section. https://support.mozilla.org/questions/1377284

Could you try this test page and see which, if any, of the formats play on your Firefox:

http://hpr.dogphilosophy.net/test/

In your example, you have: style="display:none" on your tag. In other words, you are creating an invisible player. The autoplay blocker, or another feature, might pause or ignore invisible players.