By default, npm install will install all modules listed as dependencies in package.json. With the --production flag (or when the NODE_ENV environment variable is set to production), npm will not install modules listed in devDependencies.

The i command is an alias for npm-install alias, which is mentioned in the docs. You can use it with all npm-install flags. For example below I will install Angular and live-server using the npm i command: npm i [email protected]-E npm i live-server -D

To publish and install packages to and from the public npm registry, you must install Node.js and the npm command line interface using either a Node version manager or a Node installer. We strongly recommend using a Node version manager to install Node.js and npm.

npm is the standard package manager for Node.js. In September 2022 over 2.1 million packages were reported being listed in the npm registry, making it the biggest single language code repository on Earth, and you can be sure there is a package for (almost!) everything.

2018年3月29日 · There is no difference, since npm i is an alias for npm install. They both do the exact same thing (install or update all the dependencies in your package-lock.json). Docs: https://docs.npmjs.com/cli/install via CRice.

2025年1月7日 · npm i installs, modifies, and updates project dependencies while npm ci reinstalls exact versions from package-lock.json without modifications.

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