> For the complete documentation index, see [llms.txt](https://yyaozhibo.gitbook.io/qian-duan-xue-xi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yyaozhibo.gitbook.io/qian-duan-xue-xi/npm/ji-ben-ming-ling.md).

# 基本命令

## 安装

为项目安装依赖：

```
npm install <package_name>
```

为项目安装 dependencies 依赖：

```
npm install <package_name> --save
```

为项目安装 devDependencies 依赖：

```
npm install <package_name> --save-dev
```

全局安装依赖：

```
npm install -g {package}
```

## 初始化

使用命令行初始化项目的 package.json：

```
npm init
```

使用命令行初始化项目的默认 package.json：

```
npm init --yes

// 或者

npm init -y
```

## 更新

检查有没有可更新的包：

```
npm oudated
```

检查全局有没有可更新的包：

```
npm outdated -g --depth=0
```

更新过期的包：

```
npm update <package>
```

> 不指定包名会更新所有可更新的包

更新全局的包：

```
npm update -g <package>
```

## 卸载

从 node\_modules 中删除指定的包：

```
npm uninstall <package>
```

从 package.json 的 dependencies 中删除指定的包：

```
npm uninstall --save <package>
```

从 package.json 的 devDependencies 中删除指定的包：

```
npm uninstall --save-dev <package>
```

卸载全局安装的包：

```
npm uninstall -g <package>
```


---

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