typeof(null) ==>object null instanceof Object ==>false
typeof(null) === Object
false
标签：body class 图片 strong ima div ceo str type
typeof(null) ==>object null instanceof Object ==>false
typeof(null) === Object
false
typeof(null) ==>object null instanceof Object ==>false
标签：body class 图片 strong ima div ceo str type
原文地址：https://www.cnblogs.com/oklfx/p/8379544.html
