# 🥥一、在 React 中绑定事件 接着上一章的案例，给他绑定事件，动态的切换 boolea # 🥮二、预热原生事件绑定 # 原生事件绑定的几种方式 <button id="btn1">按钮一</button> <button id="btn2">按钮二</button> <button onclick="demo()">按钮三</button> <script> // 方法一 兼容性最好 const btn1 = document.getElmentById('...
DrawPolygonMode}from'react-map-gl-draw';constDEFAULT_VIEWPORT={width:800,height:600,longitude:-122.45,latitude:37.78,zoom:14,};classAppextendsComponent{constructor(props){super(props);this.state={viewport:DEFAULT_VIEWPORT,modeHandler:null,};}_updateViewport=(viewport)=>{this.setState({viewport});...