how to do setstate in react code example
Example 1: set state
class App extends React.Component {
state = { count: 0 }
handleIncrement = () => {
this.setState({ count: this.state.count + 1 })
}
handleDecrement = () => {
this.setState({ count: this.state.count - 1 })
}
render() {
return (
{this.state.count}
)
}
}
Example 2: state with react functions
class Example extends React.Component {
constructor(props) {
super(props);
this.state = {
count: 0
};
}
render() {
return (
You clicked {this.state.count} times
);
}
}
Example 3: setstate in react
Functional Component
const [counter, setCounter] = useState(0);
setCouter(counter + 1);