Node package manager (npm) is used to do which of the following?1 pointAdd code from places like Stack Overflow or github.Test code coverage.Use a large number of libraries and frameworks as Node.js modules.Build a back end.

Node package manager (npm) is used to use a large number of libraries and frameworks as Node.js modules.

Here's a step-by-step explanation:

1. npm is a package manager for the JavaScript programming language. It is the default package manager for the JavaScript runtime environment Node.js.

2. It consists of a command-line client, also called npm, and an online database of public and paid-for private packages, called the npm registry.

3. The registry is accessed via the client, and the available packages can be browsed and searched via the npm website.

4. npm is used to install, share, and distribute code; manage dependencies in projects; and enable the reuse of code among developers.

5. Therefore, npm is used to use a large number of libraries and frameworks as Node.js modules. It allows developers to install these modules in their projects and manage versions and dependencies efficiently.