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What are the benefits of installing Express.js locally and globally

As I understand it, there are two ways to install Express.js.

  • Using npm install express - either from package.json or via the command line. This method will be locally installed in your node_modules folder.
  • Using npm install express -g . This method installs the package worldwide on your computer.

I'm just wondering what the benefits were when using any method. Is one of them a “best practice” over the other?

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To create an application, you should always install it locally. This will allow you to use a different express version for each of your applications.

Installing express globally allows you to use the express command-line utility to create template code, etc. Therefore, ideally, you should install express in both places, but make sure that the application you are developing runs in the local version.

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