State is the most complex thing in React. In this tutorial, we'll explore all the basics of state in React. How State Works in React – Explained with Code Examples
State is the most complex thing in React, and it's something both beginners and experienced developers struggle to understand. So in this article, we'll explore all the basics of state in React.
Before understanding state, let's first understand some fundamentals so it's easy to wrap your head around state later.
To render anything on the screen, we use the
ReactDOM.render method in React.
It has the following syntax:
ReactDOM.render(element, container[, callback])
elementcan be any HTML element, JSX or a component that returns JSX
containeris the element on the UI inside which we want to render the data
callbackis the optional function we can pass which gets called once something is rendered or re-rendered on the screen
Take a look at the below code:
import React from "react"; import ReactDOM from "react-dom"; const rootElement = document.getElementById("root"); ReactDOM.render(<h1>Welcome to React!</h1>, rootElement);
Here's a Code Sandbox Demo.
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