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Which is better virtual dom or real dom?


Asked by Bryce Hickman on Dec 02, 2021 FAQ



Virtual DOM On the other hand, Virtual DOM is an abstraction of your Real DOM but it’s pretty light-weight than the Real DOM — It has all the same properties as the Real DOM object but it can’t write and show things to the screen like Real DOM.
And,
Virtual DOM is a representation of the DOM. The creation of real dom will be handled by browsers. Modern frameworks like react, vue, etc.., will create a tree of elements similar to real dom in memory this is called virtual DOM. The above code can be represented in the virtual DOM as below. Why do we need virtual DOM?
Likewise, Virtual DOM: In React, Virtual DOM exists which is like a lightweight copy of the actual DOM. So for every object that exists in the original DOM, there is an object for that in React Virtual DOM. It is exactly the same, but it does not have the power to directly change the layout of the document.
Subsequently,
The Shadow DOM is a browser technology designed primarily for scoping variables and CSS in web components. The virtual DOM is a concept implemented by libraries in JavaScript on top of browser APIs. What is “React Fiber”? Fiber is the new reconciliation engine in React 16.
Indeed,
Svelte has quite some catching up to do. But concept-wise, the compiling approach taken by Svelte has proven that virtual DOM diffing isn’t the only approach to build fast reactive applications, and a good enough compiler can get the same job done as good as it gets. So which framework should you use for your next application?