It’s important to identify the areas where the most significant differences between JavaScript and TypeScript exist before discussing those differences. The most apparent one to start with is typing.


JavaScript typing is dynamic. It implies that a variable’s type (integer or string) can be altered each time it is used. It could appear to save a lot of time by not requiring all types to be announced, which in turn results in a reduced code volume. Actually, it speeds up the coding process, but because dynamically typed languages frequently have run-time mistakes, it causes more work afterward. As a result, the performance of the application can be greatly affected.

TypeScript is not constrained to a single choice. Both static and dynamic types are supported. Although dynamic typing may still be a viable alternative for some particular tasks, it is incredibly helpful.


The compilation process distinguishes TypeScript from JavaScript in a significant way. There is no need to build JS code. Instantaneously, it is interpreted and executed in the browser. Contrarily, TypeScript-written code has to be converted into ordinary JS before being built. Although it may appear like more time is being spent, more is being saved. Although it takes a few more seconds to compile the code, doing so instead of using JS would free up QA engineers’ time for hours or even days. The problem is that several runtime problems are frequently discovered by developers when the code isn’t built, and in order to fix this problem, the script must be fully checked before it is executed.


Community is a minor consideration that shouldn’t have a significant impact on the TypeScript vs. JavaScript decision, but we must nevertheless take it into account. Since JavaScript has been available for many years, a strong, encouraging developer community has grown up around it. Programmers may, therefore, easily obtain the solutions to their queries.

In comparison to JS, TypeScript is still less well-known and doesn’t have as large of a community. We can’t really call it an issue, though, because TS developers can always ask JS developers for help and are likely to get the answers they need because these two technologies are so comparable. Thus, TypeScript vs. JavaScript is a win-win situation.

Why Use Typescript?

Let’s list TypeScript’s unique advantages and disadvantages now that we are aware of what TypeScript is and its key technical components.

Such benefits include:

Effective refactoring and static typing. JavaScript is less dependable than TypeScript. Although static typing is an optional feature in TS, programmers who use it want to make use of it as one of the most important benefits of this technology. Fewer manual errors are made as a result of exactly static typing’s fast and rapid refactoring, and overall, code is substantially more obvious.

JS libraries might be used. In addition to having a syntactically similar structure to JS, which makes the learning curve and transition to this language quite straightforward, TS also supports all JS libraries.

TypeScript Vs. JavaScript: Development Cost

The cost of development is heavily influenced by the technology selected as well as by other elements, such as team size, project length, complexity, developers’ level of participation, etc. It may be difficult to compare TypeScript vs JavaScript in terms of development costs. As we just stated, JS is typically utilized for small projects, whereas TS is used for medium-sized and large projects. Because project complexity has a large impact on price, creating an app with TypeScript is probably going to cost more than creating one in JS.

But it’s crucial to keep in mind that TypeScript’s run-time error controls allow us to test and repair bugs faster. Therefore, even if TypeScript developers charge more than JavaScript developers, it is important to keep in mind that this is offset by all of the benefits of TypeScript that were discussed in the essay. With TypeScript, development time is reduced by roughly 20%, which results in a 20% reduction in spending. Let’s examine why TypeScript coding takes less time in greater detail. Code may be divided into smaller chunks in modern TypeScript IDEs.

In Conclusion

The question “TypeScript vs. JavaScript: which is better?” cannot have a single right response. Numerous factors affect it.  We discussed how TypeScript differs from JavaScript and when to utilize it in order to maximize the success of your project. The project size should be your starting point when selecting a language because it is the most important factor to consider when comparing TypeScript and JavaScript.