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What is a DOM and virtual DOM in React JS?. The Complete React JS Developer Course 2022 [Videos].

The Virtual DOM is a light-weight abstraction of the DOM. You can think of it as a copy of the DOM, that can be updated without affecting the actual DOM. It has all the same properties as the real DOM object, but doesn't have the ability to write to the screen like the real DOM In all web applications one of the most expensive operations from which an app suffers is mutating the DOM. To solve this problem, React maintains a virtual representation of the DOM, which is called Virtual DOM (VDOM). Along with a diffing algorithm, React is able to compute the data against

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