React Component

class Test extends React.Component {
Hello() {
return 20
}
render() {
const a = function () {alert(cc)}
const b = () => {alert(this.Hello())}
try {
a()
} catch (error) {
alert("A에서 오류 발생")
alert(error)
}
try {
b()
} catch (error) {
alert("B에서 오류 발생")
alert(error)
}
// alert(this.a)
// alert(this.Hello())
// this.props.color
// this.props.children
return <h1 style={{color: this.props.color}}>{this.props.children}</h1>
}
}