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JavaScript VS C++

Compare JavaScript VS C++ and see what are their differences

JavaScript logo JavaScript

Lightweight, interpreted, object-oriented language with first-class functions

C++ logo C++

Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
  • JavaScript Landing page
    Landing page //
    2023-08-05

We recommend LibHunt JavaScript for discovery and comparisons of trending JavaScript projects.

  • C++ Landing page
    Landing page //
    2023-08-01

We recommend LibHunt C++ for discovery and comparisons of trending C++ projects.

JavaScript features and specs

  • Wide Browser Support
    JavaScript is supported by all modern web browsers without the need for any plugins, making it highly versatile for client-side scripting.
  • Asynchronous Programming
    JavaScript supports asynchronous programming with features like callbacks, Promises, and async/await, which helps in efficiently handling tasks such as HTTP requests.
  • Rich Ecosystem and Libraries
    The JavaScript ecosystem includes a vast amount of libraries and frameworks like React, Angular, Vue, and Node.js, which streamline development processes.
  • Community Support
    JavaScript has a large and active community, providing extensive resources, documentation, and forums for troubleshooting and development advice.
  • Event-Driven
    The language is inherently event-driven, making it suitable for developing interactive web applications that react to user inputs.
  • Full-Stack Development
    With the advent of Node.js, JavaScript can be used for both client-side and server-side development, enabling full-stack development using a single language.

Possible disadvantages of JavaScript

  • Security Issues
    Being an interpreted language that runs in the browser, JavaScript code is visible to the user, making it susceptible to security risks such as Cross-Site Scripting (XSS).
  • Browser Compatibility
    While JavaScript itself is widely supported, different browsers may implement JavaScript functions and standards differently, leading to compatibility issues.
  • Performance
    JavaScript is generally slower than compiled languages such as C++ or Java. Heavy computations can lead to performance bottlenecks.
  • Single Inheritance
    JavaScript uses prototypal inheritance instead of classical inheritance, which can be confusing for developers coming from object-oriented programming backgrounds.
  • Dynamic Typing
    JavaScript's dynamic typing can lead to runtime errors that are hard to debug, as variable types are checked at runtime rather than during compilation.
  • Fragmentation
    The ecosystem has many competing libraries, frameworks, and tools, which can make it overwhelming for developers to choose the right technologies for their projects.

C++ features and specs

  • Performance
    C++ is known for its high performance which is critical in resource-constrained applications such as gaming, real-time systems, and simulations.
  • Control
    C++ offers fine-grained control over system resources such as memory and CPU, allowing for efficient and optimized code.
  • Object-Oriented Programming (OOP)
    C++ supports OOP, which helps in organizing complex software projects through classes and objects, encouraging code reusability and modularity.
  • Standard Template Library (STL)
    C++ includes the Standard Template Library (STL) that provides a set of common classes and algorithms, enhancing productivity and reducing the need for writing boilerplate code.
  • Backward Compatibility
    C++ is largely compatible with C, offering the flexibility to use C libraries and code, making it easier to integrate with existing C systems.
  • Rich Community and Ecosystem
    The large and active C++ community provides extensive resources, libraries, and frameworks that can aid in development and problem-solving.

Possible disadvantages of C++

  • Complexity
    C++ is a complex language with many features that can be difficult to master, leading to a steep learning curve for beginners.
  • Manual Memory Management
    C++ requires manual management of memory which can lead to errors such as memory leaks and segmentation faults if not handled correctly.
  • Lack of Modern Features
    While C++ has been updated over the years, it still lacks some modern programming features available in newer languages, which can limit productivity and ease of use.
  • Maintenance
    Maintaining C++ code can be challenging and time-consuming due to its complex syntax and potential for low-level operations.
  • Slower Compilation
    C++ programs often have slower compile times compared to those written in some other high-level languages, which can slow down the development process.
  • Portability Issues
    Despite being a general-purpose language, C++ code can face portability issues across different platforms due to compiler differences and system-specific dependencies.

JavaScript videos

Learn JavaScript in 7 minutes | Create Interactive Websites | Code in 5

More videos:

  • Review - Top 10 JavaScript Interview Questions
  • Review - Learn JavaScript in 12 Minutes

C++ videos

C++ Programming | In One Video

More videos:

  • Review - C++ Programming
  • Tutorial - C++ Tutorial for Beginners - Full Course

Category Popularity

0-100% (relative to JavaScript and C++)
Programming Language
54 54%
46% 46
OOP
53 53%
47% 47
Generic Programming Language
Languages
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare JavaScript and C++

JavaScript Reviews

Top 10 Rust Alternatives
In simple words, the main goal of JavaScript is to develop web pages and is used for authentication procedures. Some of the pros of using JavaScript as an alternative to Rust are follows.
Top 15 jQuery Alternatives To Know
ExtJS, as the name suggests, stands for Extended JavaScript. As an offering from Sencha, it depends on YahooUserInterface. ExtJS helps in creating data intensified HTML5 apps with JavaScript. It consists of a huge collection of customizable and high-performance widgets that assist in creating cross-platform mobile and web apps, for any type of modernized device.
The 10 Best Programming Languages to Learn Today
JavaScript skills are always in high demand – most of the world's top websites and apps rely on JavaScript in one way or another. Plus, JavaScript is a great springboard for learning more complex programming languages.
Source: ict.gov.ge

C++ Reviews

We have no reviews of C++ yet.
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Social recommendations and mentions

Based on our record, C++ seems to be more popular. It has been mentiond 56 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JavaScript mentions (0)

We have not tracked any mentions of JavaScript yet. Tracking of JavaScript recommendations started around Mar 2021.

C++ mentions (56)

  • Distributed Systems: Challenges, Experiences and Tips
    About 4 months ago (approximately the last time I wrote something here), I opted to embark on a graduate school journey at Stony Brook University, Computer Science (if you have a remote position — Technical Writer and/or Software Engineer position — at a non-USA company, don't hesitate to reach out). Was it the best decision to make considering less pay (if any), more theoretical undertakings and assumptions, and... - Source: dev.to / over 1 year ago
  • Any opinion about tutorialspoint? Getting apparently wrong results
    Full of wrong and/or incomplete information. I prefer cplusplus.com when I need to look up some library details. Source: almost 2 years ago
  • Learning DSA from scratch : The Ultimate Guide
    For C++ I would suggest using cplusplus.com. Fantastic resource to use. Source: almost 2 years ago
  • Things that i should know before gettting into Data Structures and Algorithms??
    C++ was far from my first language. I took Modula-2 and FORTRAN in school. I knew about pointers, linked lists, etc before writing my first line of C++. I think the best way to learn is just to work on projects that interest you. Get familiar with online resources. I like cplusplus.com and cppreference.com (can get a little verbose). I'm also a big fan of w3schools.com. They have a good C++ tutorial for beginners. Source: almost 2 years ago
  • Help
    I second this. cplusplus.com will pop up on your searches, I just blocked it. Loaded with ads and slow, and almost always less thorough than cppreference. I found geeksforgeeks OK when learning algorithms - not so much the language itself though. Source: almost 2 years ago
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What are some alternatives?

When comparing JavaScript and C++, you can also consider the following products

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible

Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...

Rust - A safe, concurrent, practical language

Typescript - TypeScript allows developers to compile a superset of JavaScript to plain JavaScript on any browser, host, or operating system.

Lua - Powerful, fast, lightweight, embeddable scripting language