docs: describe falsy and nullish attribute behavior #4498
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tanhauhau
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docs: describe falsy and nullish attribute behavior (sveltejs#4498)
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* 'master' of https://github.com/sveltejs/svelte: (137 commits) -> v3.19.2 fix lazy code breaks in build fit bitmask overflow initial dirty value in 'if' blocks (sveltejs#4507) add dev runtime warning for unknown slot names (sveltejs#4501) fix render fallback slot content due to whitespace (sveltejs#4500) docs: describe falsy and nullish attribute behavior (sveltejs#4498) in spread, distinguish never-updating and always-updating props (sveltejs#4487) chore: more specific typings, and add README note about Yarn (sveltejs#4483) update changelog check for unknown props even if component doesn't have writable props (sveltejs#4454) Bump codecov from 3.5.0 to 3.6.5 (sveltejs#4433) fix bitmask overflow for slot (sveltejs#4485) mark module variables as mutated or reassigned (sveltejs#4469) docs: referenced_from_script var value (sveltejs#4486) docs: clarify default prop behaviour (sveltejs#4460) site: turn fancybutton into custombutton (sveltejs#4476) update changelog exclude global variables from $capture_state (sveltejs#4475) -> v3.19.1 don't treat $$-names as stores during invalidation (sveltejs#4453) ...
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This adds a brief explanation on how falsy values for boolean attributes and nullish values for other attributes work.
Resolves #4440 and possibly others as well.