Andreas Kling 20e2c9a7dd LibWeb: Cache state of the contenteditable attribute on HTMLElement ...

Instead of recomputing the state whenever someone asks for it, we now
cache it when the attribute is added/changed/removed.

Before this change, HTMLElement::is_editable() was 6.5% of CPU time
when furiously resizing Hacker News. After, it's less than 0.5%. :^)

2023-05-15 14:08:20 +02:00

16 KiB

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