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When I roll over a thumbnail of a web site on YOUTUBE it pops out and starts to play. How do I stop that?

When I roll over a thumbnail of a web site on YOUTUBE it pops out and starts to play. How do I stop that?

被選擇的解決方法

I see a little message that says "Keep hovering to play" -- but the autoplay block actually prevents anything from playing for me. (Allow or block media autoplay in Firefox)

I don't think there is a built-in way to prevents YouTube from reacting to having your mouse over a video thumbnail. You probably would need an add-on for that, if there is one with that feature. When I searched, it seemed to be the opposite: more ways to play previews. Maybe you'll have better luck over on the Mozilla Add-ons site than I did: https://addons.mozilla.org/firefox/

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選擇的解決方法

I see a little message that says "Keep hovering to play" -- but the autoplay block actually prevents anything from playing for me. (Allow or block media autoplay in Firefox)

I don't think there is a built-in way to prevents YouTube from reacting to having your mouse over a video thumbnail. You probably would need an add-on for that, if there is one with that feature. When I searched, it seemed to be the opposite: more ways to play previews. Maybe you'll have better luck over on the Mozilla Add-ons site than I did: https://addons.mozilla.org/firefox/