Highlight Non-Followers User Script

Overview

This user script is designed to highlight non-followers in your X profile by modifying their background color. It uses a combination of CSS selectors and the MutationObserver API to dynamically identify non-followers as they load onto the page.

Requirements

• This script requires a Tampermonkey or similar userscript manager.
• It assumes you are using X's web interface at https://x.com/.
• You must replace "https://x.com/rama_vats/following" with your actual username in the script code.

Installation and Usage

1. Install Tampermonkey from the Chrome Web Store or Firefox Addons.
2. Create a new userscript by clicking the "Create a new script" button within Tampermonkey.
3. Replace the placeholder // @name directive with "Highlight Non-Followers" (or any other name of your choice).
4. Paste the contents of this code into the editor.
5. Save and refresh your X Following page to see non-followers highlighted.

How It Works

1. When you navigate to your X following page, the script initializes after a 2-second delay to ensure the page has fully loaded.
2. The script uses CSS selectors to identify all div elements with the data-testid="cellInnerDiv" attribute.
3. For each identified element, it checks if the user is not followed (i.e., no follow indicator exists). If so, it sets the background color of that element to a dark red (#64181c).
4. The script then sets up two MutationObserver instances:
   • One observes changes in the DOM and re-runs the highlighting function every 2 seconds if on the correct page.
   • Another monitors for URL changes and disables the script when you navigate away from your following page.