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Copy pathReact: Write a Simple Counter
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42 lines (40 loc) · 957 Bytes
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React: Write a Simple Counter
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42 lines (40 loc) · 957 Bytes
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class Counter extends React.Component {
constructor(props) {
super(props);
this.state = {
count: 0
};
// change code below this line
this.increment = this.increment.bind(this)
this.decrement = this.decrement.bind(this)
this.reset = this.reset.bind(this)
// change code above this line
}
// change code below this line
increment() {
this.setState({
count: this.state.count + 1
})
}
decrement() {
this.setState({
count: this.state.count - 1
})
}
reset() {
this.setState({
count: 0
})
}
// change code above this line
render() {
return (
<div>
<button className='inc' onClick={this.increment}>Increment!</button>
<button className='dec' onClick={this.decrement}>Decrement!</button>
<button className='reset' onClick={this.reset}>Reset</button>
<h1>Current Count: {this.state.count}</h1>
</div>
);
}
};