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Every component has something called props.

A component's props is an object. It holds information about that component.

To see a component's props object, you use the expression this.props. Here's an example of this.props being used inside of a render method:

render() { console.log("Props object comin' up!"); console.log(this.props); console.log("That was my props object!"); return <h1>Hello world</h1>; }

Most of the information in this.props is pretty useless! But some of it is extremely important, as you'll see.

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