Difference Between JavaScript And TypeScript - With Stats

Here Is The Brief Comparison Between JavaScript And TypeScript

Hey nerds, in this article let's check out the differences between JavaScript and TypeScript in brief.

JavaScript:

•  JavaScript is a high-level, interpreted scripting language which is primarily used in developing client-side web applications or pages. 

•  It was developed back in 1995 to build websites.

•  It can be directly used with the HTML to build dynamic web pages.

•  It allows cross-compilation and compiled code of JavaScript can run on any browser. 

•  After few years developers came to know that JavaScript has the potential to deal the server-side programming. 

Features of JavaScript: 

•  Easy to begin with and to understand.

•  Can be used for client-side and server-side as well.

•  Dynamic language i.e flexible and powerful.

•  Strong testing workflow and cross-platform language. 

 Salary:

•  According to the indeed.com stats, Average salary of JavaScript developer ranges $80k-$120k per annum.

TypeScript:

• TypeScript is an opensource and object-oriented scripting language as well, developed by Microsoft in 2012.

• TypeScript is a superset of JavaScript with some additional features like static typing, classes, and interfaces.

• TypeScript is converted into JavaScript at the time of compilation and checks for types at compilation time.

• TypeScript supports JavaScript API Documentation and JavaScript Libraries.

• It has got a better code structure with object-oriented programming techniques as compared to JavaScript.

Features of TypeScript:

•  In Typescript, existing JavaScript code can be used can incorporate JavaScript libraries.

•  Superset of JavaScript. So, JavaScript gets converted into Typescript by changing the extension from .js to .ts.

•  Can run the source code on any browser, devices or in any OS.

•  Trans-piled- it means, Typescript Code gets converted into Plain JavaScript Code. Now, browsers can read and display.

 

Pros Over JavaScript:

•  Typescript highlights errors at compilation time.

•  Strongly-typed and supports static typing. Static typing helps for checking the type correctness at compile time.

•  Allows good tooling support with IntelliSense which provides active hints as the code is added.

•  Frameworks like Angular 2 uses Typescript.

•  Typescript compiler can compile the ts files into ES3, ES4, and ESS.

Cons Over JavaScript:

•  Typescript takes longer time to compile the code as compared to JavaScript. 

•  The compilation step is needed to transform Typescript into JavaScript.

•  Does not support abstract classes. 

Salary:

•  According to indeed.com stats, Average salary of a TypeScript developer ranges $90k-$125k per annum. 

So the final verdict is, TypeScript was introduced to meet the standard of larger application development that lags in JavaScript.

As a developer, if you are a just beginner in developing projects and applications start with JavaScript.

For advanced or large scale application TypeScript is recommended with enough experience in JavaScript. And that is why angular is used in large scale applications.

Thank you for going through this article, hope it's worth your time. Any recommendations or updations to this post is highly appreciated.

JavaScript Documentation --> JavaScript|MDN 

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