Question

I am just getting started with Express Js. Can someone explain the difference between

npm install

and

npm install -g express

(Installation code taken from enter link description here

Answer 1

The -g flag means install Express in your global node_modules directory. This enables you to call the express command anywhere. npm install express would be used to install the express library in your app, that is, you would navigate to your app directory and type npm install express.

I recommend that you do the following:

npm install -g express

Then when you navigate to your app directory, you’d type npm link express. This symlinks to the global express install.

Does this help?