Getting Stylish with JavaScript

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Getting Stylish with JavaScript

In this hands on lab we will be working with the Document Object Model to use JavaScript to set properties on elements of an HTML page. This will require the knowledge of `ssh` and an available editor or knowldge of `scp` to copy the index file to and from the server. The server will be running NGINX with the default settings.

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Lab Info

Level

Beginner

Last updated

Aug 30, 2025

Duration

30m

Challenge

Log into the Server and Locate the Index Page (/usr/share/nginx/html), and Load the Page in a Browser So You Can View Your Changes

You will need to access the server on its public IP via SSH using the credentials supplied in the lab.

Once there, navigate to the root of the webserver at /usr/share/nginx/html and locate the index.html page.

Open a browser to the public IP address of the lab server.
Challenge

Create the Four Buttons in the Index Page to Set the Colors

Open the index page in a text editor, and remember that you might have to use sudo.

Inside of the content div:

Create the buttons and set the property of the body's background color to the required color for each button, then label the button with the color, hint: document.body.style.backgroundColor

Test the page in the browser to ensure that it is working as intended.

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