What is the children prop in React?

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Accepted Answer

The children prop is a special prop that holds anything passed between the opening and closing tags of a component. It lets a component wrap arbitrary content without knowing what it is in advance. Composition pattern — the foundation of reusable wrappers like Card , Modal , Layout . Type — can be a single element, an array of elements, a string, a number, or even a function. Render props pattern — pass a function as children so the parent can call it with arguments. React.Children helpers — React.Children.map , React.Children.toArray safely iterate over children of any shape. Avoids prop drilling — expressing layout via children is often cleaner than passing nested data through many props. Show the composition pattern — how children enables building reusable wrapper components. Mention the slot pattern (named props + children) for complex layouts. This demonstrates component design thinking.