前端学习笔记202308学习笔记第七十捌天-Map之6 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Map</title>
</head>
<body>
    <script>
        var data=new Map()
        data.set("a",1),
        data.set("geyao","geyao"),

        console.log(data,"map is")

        for(let [key,value] of data){
            console.log(key,value)
        }
    </script>
</body>
</html>

运行结果

 

posted @ 2023-08-30 10:16  前端导师歌谣  阅读(6)  评论(0)    收藏  举报  来源