state with react functions
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>
);
}
}react change state
// React change state
this.setState({state to change:value});change state in react
import React, {Component} from 'react';
class ButtonCounter extends Component {
constructor() {
super()
// initial state has count set at 0
this.state = {
count: 0
}
}
handleClick = () => {
// when handleClick is called, newCount is set to whatever this.state.count is plus 1 PRIOR to calling this.setState
let newCount = this.state.count + 1
this.setState({
count: newCount
})
}
render() {
return (
<div>
<h1>{this.state.count}</h1>
<button onClick={this.handleClick}>Click Me</button>
</div>
)
}
}
export default ButtonCounterCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
