What is the children prop in ReactJS?

children is part of the props object passed to components that allows components to be passed as data to other components, providing the ability to compose components cleanly. There are a number of methods available in the React API to work with this prop, such as React.Children.map, React.Children.forEach, React.Children.count, React.Children.only and React.Children.toArray.

A simple usage example of the children prop is as follows:

Code Sample:

function GenericBox({ children }) {
  return <div className="container">{children}</div>
}

function App() {
  return (
    <GenericBox>
      <span>Hello</span> <span>World</span>
    </GenericBox>
  )
}

Note that, children is a prop that allows components to be passed as data to other components. And also, the React API provides methods to work with this prop.

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Happy Coding!