es6 Map

Map

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Map</title>

</head>
<body>
<div id="ad">

</div>
<div></div>

<script>

    //声明
    let m = new Map();
    m.set("name",'小明');
    console.log(m.get('name'));
    m.set('getName',function () {
        console.log('get_name function');
    });
    let f = m.get("getName");
    f();

    let key ={
        'school':'清华大学'
    };

    //size
    m.set(key,['北京','上海']);
    console.log(m.size);

    //delete
    m.delete('name');

    //获取
    m.get('name');

    //清空
    m.clear();

</script>
</body>
</html>

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