# Project Properties Window: JavaScript Libraries: npm

The npm page in the Project Properties window enables you to add, edit, update or remove Node Package Manager (npm) libraries from your project.

This panel contains the following elements:

Value | Description
--- | ---
Regular | Select this tab to view, add, edit, update, or remove the details for npm dependencies that the project requires when it is run.
Package | Displays the name of an npm dependency.
Required Version | Displays the version of the package that is required to be installed on your machine.
Installed Version | Displays the version of the package installed on your machine.
Latest Version | Displays the most recent released version of the npm dependency.
Development | Select this tab to view, add, edit, update, or remove the details for npm dependencies that are not required for the execution of the project (for example, testing tools).
Package | Displays the name of an npm dependency.
Required Version | Displays the version of the package that is required to be installed on your machine.
Installed Version | Displays the version of the package installed on your machine.
Latest Version | Displays the most recent released version of the npm dependency.
Optional | Select this tab to view, add, edit, update, or remove the details for optional npm dependencies.
Package | Displays the name of an optional npm dependency.
Required Version | Displays the version of the optional package that can be installed on your machine
Installed Version | Displays the version of the optional package installed on your machine.
Latest Version | Displays the most recent released version of the optional npm dependency.

You can use the following buttons to the right of the table:

Element | Description
--- | ---
Add | Click to add a dependency on the specified package.
Edit | Click to edit the installed and the required version of the package.
Remove | Select a package in the table and click Remove to remove it.
Update | Select a package in the table and click Update to update the details.
Move to |
Regular | Click to move the selected package to the Regular tab.
Development | Click to move the selected package to the Development tab.
Optional | Click to move the selected package to the Optional tab.

Related Topics

Developing Applications with NetBeans IDE,

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