npm -g npm --save

常用命令: npm init :创建package.json这个文件 npm run dev :执行npm script中的命令 一.我们在使用 npm install 安装模块的模块的时候 ,一般会使用下面这几种命令形式: npm install moduleName : 安装模块到项目目录下 npm install moduleName -g: -g 将模块安装到全局,具体安装到磁盘哪个位置,要看npm config prefix的位置.查看:npm config ls,修改:npm con

npm init 初始化一个简单的package.json文件,执行该命令后终端会依次询问 name, version, description 等字段 npm init --yes|-y 作用同上,偷懒不用一直按enter npm install packageName 本地安装,安装到项目目录下,不在package.json中写入依赖 npm install  packageName -g 全局安装,安装在Node安装目录下的node_modules下 npm install  packag

npm install module-name 全局安装 npm install module-name -D 即 npm install module-name -save-dev  保存到devDependencies npm Install module-name -S 即 npm install module-name -save  保存到dependencies dependencies 与 devDependencies的区别是 devDependencies里的插件用于开发环境,

tunneling socket could not be established, cause=connect ECONNREFUSED 127.0.0.1:56281npm ERR! network This is most likely not a problem with npm itselfnpm ERR! network and is related to network connectivity.npm ERR! network In most cases you are behi

After creating several npm script it becomes useful to run multiple scripts back-to-back in series. This is a nice feature because you can enforce that one script needs to complete before starting another one. "scripts": { "start": &qu

npm init: For create package.json file which will recode the dependence. npm install: You can also write like: npm i This is a shortcut way to write npm install. For example. we want to install undersocre.js npm install -S underscore The way '-S' wor

We will import our newly published package into a new project locally to make sure everything is working as expected. We can do this locally before publishing with npm link. This creates a symbolic link in our node_modules folder, so our unpublished

In this lesson we will publish our package. We will first add a prepublish script that runs our buildscript; this will ensure the built folder gets added to npm when published. We will also add a .npmignore so that only our built files get installed.

一.nodejs安装和npm安装 在nodejs,官网下载nodejs的linux版本,直接解压即可.然后设置为全局 例如 : ln -s /root/nodejs/node-v10.16.0-linux-x64/bin/node /usr/local/bin/node ln -s /root/nodejs/node-v10.16.0-linux-x64/bin/npm /usr/local/bin/npm 然后用node -v 和npm -v测试是否安装成功 二.npm插件库(如express