Specify proxy in NodeJs?

Question

Node.js

Hello.
When entering the command , I got an npm install -g karmaerror that you need to specify a proxy. My Internet is really through a proxy.
But where and how to specify a proxy? Through the command npm config editand in the file, uncomment the proxy and enter your own there?
Thanks in advance.

Answer 1

npm config set proxy http://user:[email protected]:8080

Answer 2

also

npm config set https-proxy http://user:[email protected]:8080