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Algorithms and Data Structures in TypeScript

Shares rank 71 of 115 programming books by recommenders

Recommended for its code-and-tests-first repo that makes running examples easy, and a concise yet thorough treatment. Critics question whether the author read it themselves.

Recommended for its code-and-tests-first repo that makes running examples easy, and a concise yet thorough treatment. Critics question whether the author read it themselves.

7 people gave an opinion

recommend it
3
criticize it
4
approval share
43%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 3 people recommend itNeeds 10 or more, not met.
  • 0.7 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 1 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Code and tests integrated with book

    “integrated repo centered around code and tests first, with the book as one of the produced artifacts”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”
  • Easy to run code while learning

    “makes it much easier to actually run the code and play with the ideas while learning”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”
  • Concise yet thorough

    “it has a satisfying bend towards being both concise and thorough”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

What people warn about

Each mark is one comment

  • Author may not have read it

    “You shouldn't ask other people for feedback before you have done the bare minimum of reading your "own" book”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

    “what kind of author releases about a book they themselves have not read?”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

    “Why would I read your book if you have not read your book?”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”
  • Suggests asking an LLM instead

    “Just ask an LLM summarize it for you, lol”

    Comment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

Other programming books people recommend

The four most recommended other programming books, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Algorithms and Data Structures in TypeScript compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Crafting Interpretersby Robert Nystrom60494%10—Approved
Clean Codeby Robert C. Martin318726%9——
The Pragmatic Programmerby Hunt and Thomas28197%7—Approved
How to Design Programsby Felleisen, Findler, Flatt and Krishnamurthi18290%7—Approved
Algorithms and Data Structures in TypeScriptThis page3443%1——
See all 115 programming books, ranked

What people said

All 7 comments that mention it, newest first. Each links to the original comment.

“You shouldn't ask other people for feedback before you have done the bare minimum of reading your "own" book”

CriticizesComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“Just ask an LLM summarize it for you, lol”

CriticizesComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“what kind of author releases about a book they themselves have not read?”

CriticizesComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“Why would I read your book if you have not read your book?”

CriticizesComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“integrated repo centered around code and tests first, with the book as one of the produced artifacts”

RecommendsComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“it has a satisfying bend towards being both concise and thorough”

RecommendsComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

“makes it much easier to actually run the code and play with the ideas while learning”

RecommendsComment from 13 Mar 2026 in “Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.