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AngularJS: API: ng/function/angular.equals

angular.equals

  1. - function in module ng

判断两个对象或两个值是否相等。支持值类型、正则表达式、数组和对象。

如果两个对象或值满足下列任一种情况就认为是相等的:

  • 两个对象或值通过了===比较。
  • 两个对象或值是相同类型,并且它们所有属性都用angular.equals比较后相等。
  • 两个值为NaN (在JavaScript中, NaN == NaN结果为false。但是我们这里认定两个NaN是相等的)。
  • 两个值为相同的正则表达式(在JavaScript中, /abc/ == /abc/结果为false。但是我们这里认定两个正则表达式的文本形式相同时为相等)。

在属性比较时,Function类型的属性和名称以$开始的属性会被忽略。

Scope和DOMWindow对象只能使用===比较。

用法

angular.equals(o1, o2);

参数

参数 类型 详述
o1 *

要比较的对象或值。

o2 *

要比较的对象或值。

返回值

boolean

如果两个参数相等为True。


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