#what is props?

In the context of programming, "props" is short for "properties" and is a way to pass data from a parent component to a child component in React. Props are read-only and help to make components reusable and modular. They allow for dynamic data to be passed down the component tree, enabling components to be more flexible and customizable.

Props (Properties)

Props are key-value pairs used to pass data from a parent component to its child components. They allow child components to access and display data that is managed by the parent component.

Key Features:

- Unidirectional: Props data flows only from parent to child. Changes to props in the child component will not affect the parent.
- Immutable: Props are treated as read-only by child components. They can't be modified directly within the child.
- Declarative: Props are declared in the child component's JSX markup as attributes.
- Dynamic: Props can be updated by the parent component, which will cause the child component to re-render.

Syntax:

In JSX:

```js

```

In React:

```js
render() {
return ;
}
```

Use Cases:

Props are used for various purposes, including:

- Passing data to child components for display (e.g., titles, images, descriptions)
- Controlling child component behavior (e.g., enabling/disabling elements)
- Sharing state between parent and child components
- Maintaining data hierarchy and encapsulation