Summary: After the significant growth of eCommerce, web app development got a whole new growth opportunity. Amazon, eBay, and Alibaba are the ones that added value to the change.
In other words! The original purpose of JS was to be a client-side language, but in its later utilization, the programmers realized it was a server-side language too. It could have been used as a tech stack for both the development, making it a heavy and complex coding structure.
The Emergence of Typescript
What is Typescript?
Here, var1 changes from being a string to a number.
Executing the code outputs 10.
Let’s change the code into Typescript:
Herein, var1 is a string. We then attempt to give it a number, but TypeScript’s rigid type system forbids this. Resulting in an error:
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Besides, it also provides files that can include type data from current object files. Thus, other apps can use the values defined in files just as Typescript entitles statically typed values. A developer will also find third-party header files for libraries like jQuery, D3.js, and Mongo DB. Finally, it also has headers for NodeJS elementary modules that allow NodeJS development with Typescript.
- You can easily avoid hidden errors like the classic ‘undefined’ is not a function.
- Refactoring code without breaking it significantly.
- Moreover, it provides easy orientation in large-scale or complex systems.
Due to the freedom of dynamic typing, errors frequently happen, which decreases developer productivity and might hinder development due to the rising costs of adding additional lines of code.
|An open-source powered by Microsoft||It efficiently supports JS libraries & API documentation|
|It supports classes, interfaces, and modules||Typescript is easy-to-covert JS code|
|Allows cross-compilation||It has a tremendous object-oriented programming technique|
|Compiled JS runs on any browser||Extends language beyond standard decorators, async/await|
|Year of Existence||2012 by Microsoft||Brendan Eich (Netscape) 1995|
|Dynamic/static typing||Strongly typed. It supports both dynamic and static typing||Loosely typed. It supports only dynamic typing|
|Code compilation||It does need to be compiled||It does not need code compilation|
|Learning curve||It does require scripting knowledge||It is easy to learn and flexible language for writing web scripts|
|Client-side/Server-side||It is specifically used on the client-side||It is used on the client-side and server-side|
|Community size||It has a smaller community||It has a larger community|
|File extensions||.tsx and .ts||.js|
|Companies & websites||Asana, Clever||Airbnb, Instagram|
1) Learning Curve
2) Community Support
Whereas, Typescript gained popularity in a short time by many enterprises. You may find tutorials and guides all over the internet. Thus, its community is active but on a small scale compared to JS.
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Typescript consists of variable declaration, functional paradigm, and type system, which JS doesn’t offer. In terms of syntax, it is similar to JScript and .Net. The advancement also supports ECMAScript2015 Standard features, including module classes and an arrow function syntax.
5) Tools and Frameworks
Typescript is powered by Microsoft, which gives it the upper hand with leading frameworks and editors. Through tight integrations with editors, it provides error handling during compilation to avoid runtime errors.
What are the Main Advantages of Typescript?
- Strict typing: Define things your way. If you decide a variable always to be a number? It will be a number, then.
- Structural typing: Relying on a specific structure is a much safer solution when there are particular things to define. So, Typescript provides an indispensable structure for developing seamless web apps.
- Type inference: Because TypeScript performs implicit typing, your developers don’t have to provide types in places where the compiler can locate them on its own.
Microsoft created Typescript to be more suitable for large-scale solutions. ECMAScript 6 introduced new features & syntax. Abstract classes or access modifiers are still only available in Typescript.
Furthermore, there are other prominent features of the tech advancement:-
- It increases project productivity and is simple to maintain.
- The use of static typing and annotations is possible.
- Supports object-oriented features such as classes, inheritance, and interfaces
- Simple debugging allows for early problem identification.
- Supports ES6 (ECMAScript), which offers a more user-friendly syntax for Handling inheritance and objects.
- Support for fully-fledged IDE
In addition, there are some other features too that are supported by Typescript.
- Null checking
- Access modifiers
There are three significant reasons for you when it comes to choosing a JS alternative.
#1 Compile time type checking: Type verification runs at runtime, adding to the runtime overhead. Thus, eliminate such a time, and avoid it by compiling time validation with Typescript.
#2 Large-scale projects or multiple developers: When several developers are contributing to a project or working on it collaboratively, TypeScript runs smoothly. It is the best choice for large-scale projects.
#3 Easy to work with new libraries or frameworks: If you are unfamiliar with React’s APIs, you can get IntelliSense to identify and navigate new interfaces. In addition to it, they both provide type definitions.
#1 Small projects: Typescript may be too much for small projects with fewer codes. But, works wonders for the business.
#2 Supportive frameworks: You might not be able to use the functionalities of your chosen framework, EmberJS if TypeScript doesn’t support it.
Well, that is a big NO!
On a Concluding Note!
Both languages have their advantages and disadvantages.
Developers that wish to write understandable, organized, and clean code should use TypeScript. We are not mentioning the many live-bug testing options and static typing that TypeScript provides.
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