# \_.isEqualWith（两值是否相等）

**语法：**

```javascript
_.isEqualWith(value, other, [customizer])
```

**源代码链接：**[source](https://github.com/lodash/lodash/blob/4.17.10/lodash.js#L11566)

**npm包链接：**[npm package](https://www.npmjs.com/package/lodash.isequalwith)

**描述：**

这个方法类似[`_.isEqual`](https://lodash.com/docs/4.17.10#isEqual)。 除了它接受一个`customizer`用来定制比较值。 如果`customizer`返回`undefined`将会比较处理方法代替。`customizer`会传入6个参数：*(objValue, othValue \[, index|key, object, other, stack])*

**开始版本：**4.0.0

**参数：**

* `value (*)`: 用来比较的值。
* `other (*)`: 另一个用来比较的值。
* `[customizer] (Function)`: 用来定制比较值的函数。 **返回值：**
* `(boolean)`: 如果 两个值完全相同，那么返回 true，否则返回 false。

**例子：**

```javascript
function isGreeting(value) {
  return /^h(?:i|ello)$/.test(value);
}

function customizer(objValue, othValue) {
  if (isGreeting(objValue) && isGreeting(othValue)) {
    return true;
  }
}

var array = ['hello', 'goodbye'];
var other = ['hi', 'goodbye'];

_.isEqualWith(array, other, customizer);
// => true
```


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