DOM事件

在其它DOM元素的click事件里，和地图做交互操作。

源代码编辑器

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="chrome=1">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>DOM事件</title>
    <link rel="stylesheet" href="http://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
    <style>
        html,body,#container{
            height:100%;
            width:100%;
        }
    </style>
</head>
<body>
<div id="container"></div>
<div class="input-card" style="width:18rem">
    <h4>DOM事件的绑定与解绑</h4>
    <div>
      <div class="input-item">
        <button id="bt1" class="btn" style="margin-right:1rem;">绑定事件</button>
        <button id="bt2" class="btn">解绑事件</button>
      </div>
    </div>
</div>
<div  class="info" id="tip">给页面中的两个按钮绑定事件，绑定后单击地图可添加Marker</div>
<script type="text/javascript" src="http://webapi.amap.com/maps?v=2.0&key=您申请的key值"></script>
<script type="text/javascript">
    var clickListener, map = new AMap.Map('container', {
        center: [116.39, 39.9]
    });  
    clickListener = function(e) {
        new AMap.Marker({
            position: e.lnglat,
            map: map
        });
    };
    //bt1的click的绑定事件
    var bind = function() {
        remove(); //防止重复绑定
        map.on("click", clickListener);
    };
    //bt2的click的绑定事件
    var remove = function() {
        map.off('click', clickListener);  // 移除事件
    };   
    var button1 = document.getElementById('bt1');
    var listener1 = button1.addEventListener('click', bind);//给div绑定单击事件  
    var button2 = document.getElementById('bt2');
    var listener2 = button2.addEventListener('click', remove);//给div绑定单击事件    
</script>
</body>
</html>

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