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How React works?

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Below is the sequence of steps which gives an idea about how does react work

  • Firstly the react runs the diffing algorithm to identify the changes that are made in the virtual DOM.
  • Next step is reconciliation, this is used to update the DOM as per the new features.
  • Now, the virtual DOM, which is lightweight in nature and is detached from the specific implementation of the browser.
  • Followingly the ReactElements which are present in virtual DOM are used to build basic nodes.
  • Finally, if the ReactComponent changes the state; the diffing algorithm runs faster and identify the changes. After identification, it automatically updates the DOM with the change difference.
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