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44
45<a name="module_deep-equal-x"></a>
46
47## deep-equal-x
48
49node's deepEqual and deepStrictEqual algorithm.
50
51<a name="exp_module_deep-equal-x--module.exports"></a>
52
53### `module.exports(actual, expected, [strict])` ⇒ <code>boolean</code> ⏏
54
55Tests for deep equality. Primitive values are compared with the equal
56comparison operator ( == ). This only considers enumerable properties.
57It does not test object prototypes, attached symbols, or non-enumerable
58properties. This can lead to some potentially surprising results. If
59`strict` is `true` then Primitive values are compared with the strict
60equal comparison operator ( === ).
61
62**Kind**: Exported function
63**Returns**: <code>boolean</code> - `true` if `actual` and `expected` are deemed equal,
64otherwise `false`.
65**See**: https://nodejs.org/api/assert.html
66
67| Param | Type | Description |
68| -------- | -------------------- | -------------------------------------------- |
69| actual | <code>\*</code> | First comparison object. |
70| expected | <code>\*</code> | Second comparison object. |
71| [strict] | <code>boolean</code> | Comparison mode. If set to `true` use `===`. |
72
73**Example**
74
75```js
76import deepEqual from 'deep-equal-x';
77
78deepEqual(Error('a'), Error('b'));
79// => true
80// This does not return `false` because the properties on the Error object
81// are non-enumerable:
82
83deepEqual(4, '4');
84// => true
85
86deepEqual({a: 4, b: '1'}, {b: '1', a: 4});
87// => true
88
89deepEqual(new Date(), new Date(2000, 3, 14));
90// => false
91
92deepEqual(4, '4', true);
93// => false
94```