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CSS position: sticky fails on a long parent

  • 4 回覆
  • 0 有這個問題
  • 28 次檢視
  • 最近回覆由 Chrispink

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MacOS 14.6.1 Firefox 31.0.3 (aarch64)

I have a long (19000px) table with a sticky row at the top. On Safari or Chrome it works fine. On Firefox it works for around 800 px and then becomes 'unsticky'.

Is this a known behaviour?

MacOS 14.6.1 Firefox 31.0.3 (aarch64) I have a long (19000px) table with a sticky row at the top. On Safari or Chrome it works fine. On Firefox it works for around 800 px and then becomes 'unsticky'. Is this a known behaviour?

被選擇的解決方法

I did pick up one thing from your codepen which has resolved the issue. It's a question of the semantic markup. If I wrap the header rows in <thead> then the sticky behaves correctly. (although removing this doesn't break the codepen). I'm happy with that as correct semantics is never a bad thing ;-)

Thanks again

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I can't edit the original but it looks strongly like it works for one viewport height.

有幫助嗎?

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有幫助嗎?

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No, this works perfectly (even if I duplicate the rows). Although the structure and CSS are very similar.

So the issue is somewhere else or more complicated.

I will try and duplicate my situation in a codepen. At the moment it's in a private part of a website.

Thank you for the help.

有幫助嗎?

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選擇的解決方法

I did pick up one thing from your codepen which has resolved the issue. It's a question of the semantic markup. If I wrap the header rows in <thead> then the sticky behaves correctly. (although removing this doesn't break the codepen). I'm happy with that as correct semantics is never a bad thing ;-)

Thanks again

有幫助嗎?

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