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Installing Node
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install-node

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This tutorial has sections covering the following topics:

  • TOC {:toc}

Installing Node.js

1) Download Installer for Node 14.17.0 LTS

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  • Navigate to https://nodejs.org/en/download/
  • Select and download the installer for your operating system.
    • Most contemporary laptops will use a 64-bit distribution.
  • Click "Current": Latest features to download Node version 14.17.0.

{% include img.html src="install-node/download_page.png" %}

2) Just follow the installer instructions

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3) Testing Node.js

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  • Open up Terminal (or your Windows command line interface)
  • Type node after the command prompt and hit Enter
  • You should get a JavaScript REPL, similar to the console in the Chrome inspector.
  • Try a single line of JavaScript to test it out.
  • Hit Ctrl-C twice to exit the REPL
  • Run node -v in terminal and then make sure you have v14.17.0 installed.

{% include img.html src="install-node/node-repl.png" %} {% include img.html src="install-node/node-version.png" %}

4) Testing npm

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npm stands for Node Package Manager. Packages are like libraries. The Node runtime has provided a handy way of accessing, installing and managing these libraries.

  • At the command line, type npm after the command prompt and hit Enter
  • You should see the following: {% include img.html src="install-node/npm.png" %}

5) OPTIONAL: Install http-server

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The http-server command is the NodeJS equivalent of Python's SimpleHTTPServer. This is not necessary for our course, but you may find it useful in general.

  • Download http-server by running npm install http-server -g at the command line.
  • Documentation for http-server: https://www.npmjs.com/package/http-server
  • You will see a progress bar and a bunch of text ouput.
  • Spin up a local server by running http-server at the command line.
  • You should see the following: {% include img.html src="install-node/http-server.png" %}
  • Visit the address specified on the command line in your browser (in this case http://127.0.0.1:8080)
  • You should see the following (note the node.js runtime in the red circle): {% include img.html src="install-node/http-server-browser.png" %}

Credits

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This tutorial was written by Zach Maurer.