基础react加一减一操作

<a href="https://so.csdn.net/so/search?q=React&spm=1001.2101.3001.7020" target="_blank">React</a> Example
    babel</a>-standalone@6.15.0/babel.min.js">
  type</a>="text/babel"></div><div>    //创建一个Counter的组件</div><div>    function Counter(){</div><div>        const [count,setCount]=React.useState(0);//使用useState Hook来处处状态</div><div>        function increment(){</div><div>            setCount(count+1);//点击加一</div><div>        }</div><div>        function decrement(){</div><div>            setCount(count-1);//点击减一</div><div>        }</div><div>        return(</div><div>            <div></div><div>                <h1>Counter:{count}</h1></div><div>                <button onClick={increment}>➕</button></div><div>                <button onClick={increment}>➖</button></div><div>            </div></div><div>        );</div><div>    }</div><div>    //渲染Counter组件到页面</div><div>    ReactDOM.render(<Counter/>,document.getElementById('root'));</div><div>    
上述基础react加一减一操作