Comparing Compiled and Interpreted Languages: A Focus on JavaScript and C++
Tags: webdev, javascript, programming, productivity
Published: 2024-05-30 21:37:23

## **INTRODUCTION**
Computers and humans are deeply connected, almost like extensions of ourselves. While we are far more intelligent, computers still play a crucial role in our daily lives. However, when we tell a computer what to do, it doesn't understand us directly. Instead, it translates our brilliant human ideas into machine language that the computer can understand. This translation process defines whether a language is compiled or interpreted.

I started learning JavaScript a year ago, and I have to say, it's a bit like instant coffee compared to the slow brew of C++. Some might argue that C++ is the premium option because it’s compiled and therefore faster. But JavaScript? It's that quick fix that gets you through the day, especially when you're building dynamic web pages.

This article will explore the differences between compiled and interpreted languages, Additionally, we will compare JavaScript with C++, a well-known compiled language, to understand their unique strengths and applications.  Buckle up, it's going to be an enlightening ride!

**UNDERSTANDING COMPILED AND INTERPRETED LANGUAGES**

**Compiled Languages**

Compiled languages, such as C, C++, and Java, Fortran, COBOL, Objective-C require the source code to be translated into machine language by a compiler before it can be executed. This process creates an executable file that can run on a computer's hardware, making the execution fast and efficient. However, any changes to the code require recompilation, which can slow down the development process.

Like I said, we humans are far more intelligent than computers because we are the ones that tell the computers what to do. But as you know, the computer does not understand us directly, so what does it do? It translates our ideas into machine language. If it decides to translate at the end of us writing our code, it is called a compiled programming language.

So, how does this work? As a programmer, I write a set of instructions using a compiled language, and at the end of it, I run it through a special compiler that interprets and converts it into machine language. But guess what... What if I want to make changes to my code? Tears That means I have to make the changes and again run it through the special compiler, which causes a lot of delay. Even though this process can be time-consuming, we can still say that compiling provides a higher level of performance and efficiency in programming.

**Interpreted Languages**

Interpreted languages, including JavaScript, Python, Ruby, PHP, Perl, and Haskell, are executed by an interpreter that translates code in real-time while the program runs. My lovely JavaScript is here 😊, thriving in this category. This real-time compilation by the user's web browser allows for easy changes and rapid development, but it can slow down performance since the browser does extra work during execution.  

This is why JavaScript is sometimes seen as less serious than compiled languages like C++ 😞. However, advancements in just-in-time compilers and faster processors are changing this perception, with JavaScript making a significant impact in improving performance and efficiency.

**COMPARING JAVASCRIPT AND C++**

1) **Used Cases**

JavaScript excels in web development, both on the client and server sides, thanks to its ability to manipulate web pages and handle asynchronous operations. Need a web page to update without refreshing? JavaScript's got it covered, like a magician pulling rabbits out of a hat! 🎩🐇. C++, on the other hand, is preferred for system/software development, game development, and applications requiring high performance and direct hardware manipulation.

2) **Performance**

C++ generally offers superior performance due to its compiled nature, making it suitable for resource-intensive applications. JavaScript, being an interpreted language, may have slower execution but offers greater flexibility and faster iteration during development.

3) **Development Speed**

JavaScript allows for rapid development and quick testing, making it ideal for projects that require frequent updates and real-time feedback. C++ development can be slower due to the need for recompilation after code changes, but it provides robust performance optimizations.

4) **Versatility** 

JavaScript's versatility shines in web and server applications, while C++ is unmatched in environments where performance and resource management are critical, such as game engines, operating systems, and real-time simulations.

**CONCLUSION**

We have come to the end of my JavaScript vs. C++ showdown. I'm sure you all know which one I prefer, but at the end of the day, it depends on what you want to build. JavaScript and C++ each have their unique strengths and are suited for different types of projects. JavaScript's flexibility and ease of use make it a go-to language for web development and rapid prototyping. On the other hand, C++'s performance and efficiency are essential for system-level programming and high-performance applications.

Understanding the differences between compiled and interpreted languages helps developers choose the right language for their specific needs, leveraging the strengths of each to build efficient and effective software. But like I said, JavaScript is my love. I can have a change of mind, though! Let me know your thoughts in the comment section. 😊🚀

**ATTRIBUTES**

Minnick, C., & Holland, E.  Coding with Dummies. Publisher.