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テキスト

返回值:Boolean

jQuery.isEmptyObject(obj)

概述

jQuery 1.4 新增。测试对象是否是空对象(不包含任何属性)。

jQuery 1.4 中,这个方法既检测对象本身的属性,也检测从原型继承的属性(因此没有使用hasOwnProperty)。

参数

objObjectV1.4

用于测试是否为空对象

示例

描述:

测试是否为空对象

jQuery 代码:
jQuery.isEmptyObject({}) // true
jQuery.isEmptyObject({ foo: "bar" }) // false


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