FER202Xuất hiện trong 1 đề thi
Select the code snippet that correctly defines a component with state in React.
Các lựa chọn
Aconst MyComponent = React.createClass({
getInitialState() {
return { count: 0 };
},
render() {
return <div>this.state.count</div>;
}
});
Bfunction MyComponent() {
const [count, setCount] = React.useState(0);
return <div>{count}</div>;
}
Cclass MyComponent extends React.Component {
constructor(props) {
super(props);
this.state = { count: 0 };
},
render() {
return <div>this.state.count</div>;
}
}
Dconst MyComponent = 0 => {
const [count, setCount] = React.useState(0);
return <div>{count}</div>;
};