版本：9.1.1
移除popup

可实现移除地图上的弹出框。
   <!DOCTYPE html>
   <html>
   <head>
       <meta charset="utf-8"/>
       <title>移除popup</title>
       <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"/>
       <style>
           body {
               margin: 0;
               padding: 0;
           }
   
           #map {
               position: absolute;
               top: 0;
               bottom: 0;
               width: 100%;
           }
  
            .btn-group {
                   position: absolute;
                   top: 20px;
                   left: 20px;
               }
       </style>
       <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.1.1/mapmost-webgl-min.js"></script>
   </head>
   <body>
   <div id="map"></div>
   <div class="btn-group">
       <button onClick="removePopup()">移除popup</button>
   </div>
   <script>
   
       var monument = [120.72541613154851, 31.31171803927643];
       var map = new mapmost.Map({
           container: 'map',  
           style: "<your style url>", 
           center: [120.72541613154851, 31.31171803927643], 
           zoom: 14, 
           userId: '***', // 授权码
       });
   
       let popup
       map.on('load',function() {
             // 创建 popup
           popup = new mapmost.Popup({closeOnClick: false})
                     .setLngLat([-96, 37.8])
                     .setHTML('<h1>Hello World!</h1>')
                     .addTo(map);
         
            popup.setLngLat(monument);
       })


    function removePopup() {
        popup.remove()
    }
   
   </script>
   </body>
   </html>