Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Media opened in a background tab will not play until the tab is selected

  • 1 resposta
  • 10 have this problem
  • 1 view
  • Last reply by cor-el

more options

For Firefox 56, media opened in a background tab will not play until the tab is selected. How can I play the media opened in a background tab without selecting the tab?

For Firefox 56, media opened in a background tab will not play until the tab is selected. How can I play the media opened in a background tab without selecting the tab?

Chosen solution

Try to toggle this pref to false on the about:config page.

  • media.block-autoplay-until-in-foreground = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

Ler a resposta no contexto 👍 4

All Replies (1)

more options

Chosen Solution

Try to toggle this pref to false on the about:config page.

  • media.block-autoplay-until-in-foreground = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.