高德地图-删除多个点标记

1、问题背景
高德地图上有自己创建的marker，单击删除按钮，可以删除多个标记
2、实现源码
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 <!DOCTYPE html>  
 <html>  
     <head>  
         <meta charset="UTF-8">  
         <meta http-equiv="X-UA-Compatible" content="IE=edge">  
         <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">  
         <title>高德地图-删除多个点标记</title>  
         <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>  
         <script src="http://webapi.amap.com/maps?v=1.3&key=您申请的key值"></script>  
         <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>  
     </head>  
     <body>  
         <div id="container"></div>  
         <div class="button-group">  
             <input type="button" class="button" value="删除" id="delMarker"/>  
         </div>  
         <script>  
             var map = new AMap.Map("container", {  
                 resizeEnable: true,  
                 center: [114.20495,30.407079],  
                 zoom: 14  
             });  
               
             AMap.event.addDomListener(document.getElementById('delMarker'), 'click', function() {  
                 map.remove(markers);  
             }, false);  
           
             var markers = [],   
                 positions = [  
                     [114.195423,30.405821],   
                     [114.203662,30.404636],   
                     [114.220828,30.404784],   
                     [114.222202,30.393976],   
                     [114.201431,30.392051],  
                     [114.193448,30.413149],  
                     [114.220657,30.414777],  
                     [114.205379,30.414629],  
                     [114.202976,30.398492],  
                     [114.208812,30.400121]  
                 ];  
             for(var i = 0, marker; i < positions.length; i++)  
             {  
                 marker = new AMap.Marker({  
                     map: map,  
                     position: positions[i]  
                 });  
                 markers.push(marker);  
             }  
         </script>  
     </body>  
 </html>  
3、实现结果
（1）初始化时
（2）点击删除按钮
高德地图-删除多个点标记

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