State on React class Component
class Example extends React.Component {
constructor(props) {
super(props);
this.state = {
count: 0
};
}
render() {
return (
<div>
<p>You clicked {this.state.count} times</p>
<button onClick={() => this.setState({ count: this.state.count + 1 })}>
Click me
</button>
</div>
);
}
}how to update state in react
// Correct
this.setState(function(state, props) {
return {
counter: state.counter + props.increment
};
});update state in react
You have to use setState() for updating state in React
{
hasBeenClicked: false,
currentTheme: 'blue',
}
setState({
hasBeenClicked: true
});reactjs update state example
You have to use setState() for updating state in React
{
hasBeenClicked: false,
currentTheme: 'blue',
}
setState({
hasBeenClicked: true
});Copyright © 2021 Codeinu
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