export-netflix-list.js

// This short JavaScript fragment lets you export your Netflix list as a JSON 
// file. Just navigate to the https://www.netflix.com/browse/my-list page, 
// open your browser's Developer Tools, select the Console tab and paste this 
// fragment. After it has run, you should be able to copy the output and save it
// into a file with the ".json" extension.

let movies = {};

document
  .querySelectorAll(".slider-item .slider-refocus")
  .forEach(function (el, key, parent) {
    let title = el.getAttribute("aria-label");
    // The URL should be similar to this:
    // /watch/60023642?tctx=0%2C2%2C%2C%2C%2C%2C%2C%2C
    let URL = el.getAttribute("href");
    // Fetch the last element of the URL path and strip the query parameters
    let ID = URL.split("/")[2].split("?")[0];
    let movieURL = `https://www.netflix.com/title/${ID}`;
    movies[ID] = { title, movieURL };
  });

console.log(JSON.stringify(movies, null, 2));

// Sample output:
// {
//   "60023642": {
//     "title": "Spirited Away",
//     "movieURL": "https://www.netflix.com/title/60023642"
//   }
// }