[Node.js] What 'npm install' give us?

After we installed the node.js, we run the cmd:

npm install

What happened is that, we get bower, karma, protractor and http-server module.

check here: C:\myPHP\htdocs\codeschool\angularjs\phonecat\angular-phonecat\node_modules

Read More: https://docs.angularjs.org/tutorial