React Deep Dive: From Beginner to Advanced/

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React Elements

React Elements

Learn more about React elements and how they are used.

We'll cover the following...

Virtual DOM

At the end of the day, React elements are nothing more than a never-changing (immutable) JavaScript object containing properties to tell React how and what exactly needs to be displayed. React uses this description of properties to construct a virtual blueprint of the component hierarchy. It resembles the way HTML trees are represented as a JavaScript object. This hierarchy tree is referred to as the VirtualDOM.

This tree is used by React to refresh only the parts of the ...