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React

Which props are auto-handled by React?

ref, key

T/F: If shouldComponentUpdate returns false, its props are not updated

False. See this tweet

Why does React use className instead of class?

"Question to those who want to see

become
: is it not confusing that this breaks destructuring? https://t.co/HRKR3IkgRO" - Dan Abramov on Twitter:

TODO: phrase with question

JSX will automatically remove whitespace on the beginning and ending of a line as well as blank lines. It also condenses blank lines in the middle of string literals into one space. https://mxstbr.blog/2017/02/react-children-deepdive/