Hacker News story: Ask HN: Does Collapsing an HN Thread in a Popular story spike your CPU use?

Ask HN: Does Collapsing an HN Thread in a Popular story spike your CPU use?
For popular threads with a lot of comments, collapsing a top comment leads to high CPU usage and can cause browsers (I tried in Chrome and Vivaldi) to freeze up. For example, this very popular thread: https://ift.tt/XtCEm5P If you collapse the top comment, I see a huge spike in CPU and my system freezes temporarily. Is it just me? 2 comments on Hacker News.
For popular threads with a lot of comments, collapsing a top comment leads to high CPU usage and can cause browsers (I tried in Chrome and Vivaldi) to freeze up. For example, this very popular thread: https://ift.tt/XtCEm5P If you collapse the top comment, I see a huge spike in CPU and my system freezes temporarily. Is it just me?

Hacker News story: Ask HN: Does Collapsing an HN Thread in a Popular story spike your CPU use? Hacker News story: Ask HN: Does Collapsing an HN Thread in a Popular story spike your CPU use? Reviewed by Tha Kur on April 04, 2025 Rating: 5

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