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  1. Nolan (nolan@toot.cafe)'s status on Friday, 13-Sep-2019 16:07:45 EDT Nolan Nolan

    Not sure how I missed that CSS containment shipped in Firefox 69: https://developer.mozilla.org/en-US/docs/Web/CSS/contain#Browser_compatibility

    I actually use CSS containment in Pinafore to optimize some parts of the DOM that should have their layout calculated independently (modals, virtual list items, etc.). I'm curious to know if perf actually improved in Firefox 69.

    In conversation Friday, 13-Sep-2019 16:07:45 EDT from toot.cafe permalink

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    1. contain
      from MDN Web Docs
      The contain CSS property allows an author to indicate that an element and its contents are, as much as possible, independent of the rest of the document tree. This allows the browser to recalculate layout, style, paint, size, or any combination of them for a limited area of the DOM and not the entire page.
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