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://news.ycombinator.com/item?id=43561253&utm_term=comment
If you collapse the top comment, I see a huge spike in CPU and my system freezes temporarily.
Is it just me?
Comments URL: https://news.ycombinator.com/item?id=43582985
Points: 7
# Comments: 14
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