# diff

URL: https://caijiao.org/radash/array/diff
Source: docs/radash/array/diff.md
Description: 创建两个数组之间的差异数组 给定两个数组，返回第一个数组中存在但第二个数组中不存在的所有项的数组

创建两个数组之间的差异数组


## 基本用法

给定两个数组，返回第一个数组中存在但第二个数组中不存在的所有项的数组。

```ts
import { diff } from 'radash'

const oldWorldGods = ['ra', 'zeus']
const newWorldGods = ['vishnu', 'zeus']

diff(oldWorldGods, newWorldGods) // => ['ra']
```