'Virtual DOM's History And Bright Future' javascript javascriptframeworks
const div=document.createElement; div.textContent='Hello World!'; document.body.appendChild;
However, we can recognize this can be cumbersome to write manually, especially when there is a lot of interactivity in the UI, as we need to specify every step imperatively. It is much more elegant to write UI declaratively.: The React authors created Virtual DOM to allow us to write UI in a way that is faster to render thanTo best understand how Virtual DOM works, let’s overview the process and then build an example.
The Virtual DOM is a method of rendering UI. The method utilizes a tree of JavaScript objects that mimics the DOM tree. // Hello World! const div=document.createElement; div.style='color: red'; div.textContent='Hello World!';const divVNode={ type: 'div', props: { style: 'color: red' } children: ['Hello World!'] };: stores the tag name of the element as a string.: stores virtual node children of the element as an array.
Using virtual nodes, we can model what the current UI looks like, and what we want it to change to when we update the UI.
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