JS中查看变量类型 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JS数据类型查看</title>
        <script>
            var i = 1;
            var j = "String";
            alert(typeof i + "  " + typeof j);
        </script>
    </head>
    <body>
    </body>
</html>

 

posted @ 2020-04-06 08:37  yxfyg  阅读(1710)  评论(0)    收藏  举报