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import React, { Component } from 'react'; | |
import logo from './logo.svg'; | |
import './App.css'; | |
class App extends Component { | |
constructor(props){ | |
super(props); | |
this.state = { | |
number : 0 | |
} | |
} | |
render() { | |
return ( | |
<div className="App"> | |
<header className="App-header"> | |
<img src={logo} className="App-logo" alt="logo" /> | |
<h1 className="App-title">Welcome to React</h1> | |
</header> | |
<p className="App-intro"> | |
The current value of number is {this.state.number} | |
</p> | |
<button onClick={()=>this.setState({number : this.state.number + 1})}>+</button> | |
</div> | |
); | |
} | |
} | |
export default App; |
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