Conceptually, React is actually an UI runtime. The real truth behind React is greatly described by the creator of Redux and one of the Facebook's engineers, Dan Abramov: Link to the article
Very abstractly, React helps you write a program that predictably manipulates a complex host tree in response to external events like interactions, network responses, timers, and so on.
Where host tree is basically DOM.
Strongly recommend to read that article for every React developer.
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Conceptually, React is actually an UI runtime. The real truth behind React is greatly described by the creator of Redux and one of the Facebook's engineers, Dan Abramov:
Link to the article
Where host tree is basically DOM.
Strongly recommend to read that article for every React developer.