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# How To Use NPM Packages On Codepen

Authors

Codepen is the place where I go to boilerplate ideas quickly. It is usually the first place I go when I start a project or an idea. But, sometimes you want to hack with some NPM packages before you move them into your main projects for further development.

## UNPKG

Unpkg is a CDN for all of the packages on NPM. Any easy way to access them is simply be referencing a file like this.

[https://unpkg.com/[email protected]/umd/react.production.min.js]


That will give you access to a certain file and a certain version that you are seeking out.

UNPKG has a ton of different options to references files and access them.

## Node Modules

If you are using Codepen Projects, you can use a nodemodules folder and put your files inside of that. Then you can import them like normal in your other js files.