空JSON对象检查 [英] Empty JSON Object check

问题描述

当我进行控制台打印时，我得到var a的值作为Object {}，它是空的JSON对象 使用jQuery如何检查空值? 谢谢.

When I console print I get value of var a as Object{}, which is empty JSON Object Using jQuery how do I check for the empty value? Thank you.

推荐答案

使用jQuery函数:

Use the jQuery function:

jQuery.isEmptyObject( object )

此处有更多详细说明: http://api.jquery.com/jQuery.isEmptyObject/

More detailed description here: http://api.jquery.com/jQuery.isEmptyObject/

就像我一直说的那样...并坚持下去.程序员的第一条规则:

As I always say... and insist on it. Rule number one of the programmer:

手册页是您最好的朋友"，或者我在学校里被打的那一页"F1在那里是有原因的"

"Man pages are your best friend" or the one I was slapped with in school "F1 is there for a reason"

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