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by mfincham 4599 days ago
Huh? Is that new? Can I turn it off?
2 comments
chengsun 4599 days ago
It was introduced in Firefox 5 [1]. You can change it in about:config by tweaking "dom.min_background_timeout_value" to a lower value (in milliseconds).

[1]: https://bugzilla.mozilla.org/show_bug.cgi?id=633421

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crandles 4599 days ago
I believe window.requestAnimationFrame is preferred over setInterval, and doesn't get limited as such.

https://developer.mozilla.org/en-US/docs/Web/API/window.requ...

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lewispollard 4598 days ago
Actually requestAnimationFrame is limited more (possibly even entirely paused) as it assumes that if the tab isn't visible, no animation needs to be requested
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