Simple script to get all HTML colors from w3schools as a TypeScript union (https://www.w3schools.com/colors/colors_names.asp)

getHtmlColorsAsUnion.js

// Paste it on the console, while in: https://www.w3schools.com/colors/colors_names.asp

const colors = [...document.querySelectorAll('.colornamespan')].map((el) => el.textContent.toLowerCase())
const union = [...colors].reduce((acc, name) => `${acc}| '${name}'\n`, '');
console.log(union);