What Are React Elements? – ReactJS MicroBytes (2020)
Elements are the smallest building blocks of React apps. An element describes what you want to see on the screen.
Don’t confuse these React elements with browser DOM elements. Unlike browser DOM elements, React elements are plain JavaScript objects, and they are cheap to create. The React virtual DOM takes care of updating the actual DOM to match the React elements.
Also, don’t confuse these elements with components. We will go over components in another video. But elements are what components are made of.
To render a React element into a root DOM node, pass both to ReactDOM.render().
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