Playwright TypeScript Coding Round Playbook

What is inside

1. Part 1. String Programs6 programs: reverse without .reverse(), palindrome, character frequency, first unique character, anagram, title case
2. Part 2. Array Programs5 programs: repeated ids, second highest in one pass, remove repeats keeping order, missing run id, two prices that add up to a coupon
3. Part 3. Objects and Maps4 programs: group by a property, most frequent words, deep equality, flatten a nested object
4. Part 4. Logic and Math4 programs: FizzBuzz, Fibonacci, primes up to n, reverse a number and sum its digits
5. Part 5. Async and Promises4 programs: sequence versus parallel timing, promise timeout, check URLs without stopping at the first failure, run N tasks at a time
6. Part 6. Playwright UI Programs6 programs: broken links, sorted table column, product count and total price, new tab, dropdown options, infinite scroll
7. Part 7. Playwright API Programs4 programs: create, read, update and delete through the API, UI versus API data, response structure and types, log in once and reuse the token
8. Part 8. Utility Programs for Frameworks4 programs: retry with growing delay, unique test data, date helpers, filter test cases from a JSON file
9. Part 9. Framework Patterns3 programs: a logged-in page object fixture, a typed config loader, a test data builder
10. Real output under every TypeScript programEvery pure TypeScript program was run and its real output is printed. Playwright programs are marked as example output.
11. Try it yourselfExtra exercises at the end of every part, without solutions.

PDF, 46 pages. Works on phone and laptop.