What TypeScript Did To My JavaScript Knowledge

Content Typescript type system sigsegmeme Python type system

The duality of JavaScript hatred is real. Beginners hate it because they can't grasp why [] + [] is an empty string or why typeof null is "object". Meanwhile, seasoned devs hate it because they've seen the horrors lurking beneath—callback hell, prototype inheritance, and the absolute chaos of asynchronous programming before Promises existed. The truth hurts: understanding JavaScript fully doesn't make you love it—it just gives you better reasons to complain about it during standup meetings while still using it for literally everything.

Someone took their TypeScript generics knowledge and applied it to the most important problem in computer science: categorizing anime characters by gender presentation. Because nothing says "I understand covariance and contravariance" quite like explaining why that cute anime character might be a trap. The progression is beautiful: simple generic Girl, then a Variant that could be Boy OR Girl (Schrödinger's waifu), then a Boy that implements the IGirl interface (the classic "looks like a girl, sounds like a girl, but surprise"), and finally void—because some things transcend mortal understanding. The BitCast at the end is the cherry on top: when type safety fails you, just reinterpret those bits and pray. Your type system can't save you now.

THE GREAT NAMING CONVENTION SHOWDOWN! 🔥 Developers will literally start holy wars over these casing styles rather than fix actual bugs! You've got the elegant camelCase strutting around like it owns JavaScript, while snake_case slithers through Python code thinking it's sooo readable. And don't get me STARTED on SCREAMING_SNAKE_CASE! It's just YELLING AT YOU for NO REASON! Meanwhile, kebab-case is just hanging out there like "hey guys, can I join your HTML attributes party?" PascalCase (aka UpperCamel) is basically camelCase's pretentious cousin who insists on capitalizing EVERYTHING important. The drama! The tension! The absolute TRAGEDY of spending three hours arguing about this in code reviews! 💀

Content Tiger Abrodi 2nd 1 help you master TypeScript 4d Follow TypeScript is NOT a programming language. It's a superset of JavaScript. This can be a surprise if you come from a language like Java. Because TypeScript uses structural typing rather than nominal typing. I dive into all of it in my latest newsletter post. Read here: https:Inkd.inenUuz5gv 8 185 31 comments 5 reposts

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