Should I Learn DSA With JavaScript/TypeScript or Switch Languages?

JS/TS is perfectly capable, but occasionally implement core structures yourself instead of relying entirely on built-in methods. For example, write a queue without using an inefficient front-removal operation, or build a simple hash table and linked list. That helps you understand what the abstractions are doing underneath. If you later want to learn memory management and lower-level implementation details, C or C++ can be useful as a separate learning exercise—not because you need them to learn algorithms.

A good compromise is to learn the concept in TypeScript first, then port selected algorithms to another language afterward. The algorithm itself is usually language-independent, which is why many textbooks use pseudocode. Translating an implementation can show you differences in memory handling and standard libraries without adding unnecessary friction at the beginning.

You can absolutely learn DSA with JavaScript or TypeScript. Since you already know the languages, you can spend your energy understanding algorithms instead of fighting unfamiliar syntax. The common recommendations for C++, Java, and Python often come from competitive programming, where factors like execution speed, standard libraries, and low-level control matter more. Those concerns usually aren’t important for your goal.