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C++ VS Emscripten

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

C++ logo C++

Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

Emscripten logo Emscripten

Emscripten is an LLVM to JavaScript compiler.
  • C++ Landing page
    Landing page //
    2023-08-01

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

  • Emscripten Landing page
    Landing page //
    2021-08-02

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.

Emscripten features and specs

  • Cross-platform compatibility
    Emscripten enables developers to compile C and C++ code to WebAssembly or JavaScript, allowing the same codebase to run on multiple platforms, such as browsers and node.js, without needing additional platform-specific adaptations.
  • Leverage existing libraries
    Developers can utilize a vast ecosystem of existing C and C++ libraries by compiling them for the web, saving time and resources required for rewriting or finding alternatives developed in JavaScript.
  • Performance optimization
    Emscripten's compilation to WebAssembly provides near-native performance for web applications, making it suitable for compute-intensive tasks like gaming, simulations, and data processing.
  • Familiar toolchain
    Developers can use familiar tools like CMake and others as part of their Emscripten workflow, making it easier for those with C/C++ backgrounds to adapt and integrate into their web development processes.

Possible disadvantages of Emscripten

  • Steep learning curve
    Developers unfamiliar with C and C++ may find Emscripten challenging to use effectively, as it requires knowledge of these languages and their build systems to create and debug applications.
  • Limitations in browser environments
    Certain features of C/C++ may not translate directly to web environments due to browser sandboxing constraints, leading to potential issues with file I/O, threading, and other system-level operations.
  • Code size
    Compiled WebAssembly and JavaScript code can sometimes be large, potentially affecting load times and performance, especially on lower-end devices with restrictive bandwidth or processing capabilities.
  • Debugging complexity
    Debugging WebAssembly code can be more complex than traditional JavaScript, requiring specialized tooling and techniques to trace and fix issues effectively.

Analysis of C++

Overall verdict

  • Cplusplus.com is considered a good resource for learning and referencing C++ due to its extensive content and user-friendly design. However, it's recommended to use it alongside other sources to get a well-rounded understanding of C++ concepts and best practices.

Why this product is good

  • Cplusplus.com is a popular resource for C++ developers because it offers comprehensive documentation, tutorials, and references. It is especially useful for beginners who need structured guidance. The site provides examples and explanations that are easy to understand, making it an accessible platform for learning the language. Additionally, the community forum allows users to ask questions and share insights, which can be beneficial for ongoing learning and problem-solving.

Recommended for

    Cplusplus.com is particularly recommended for beginners and intermediate C++ programmers who are looking for structured tutorials and reference materials. It can also be useful for experienced developers who want a quick reference guide or need to brush up on specific topics.

C++ videos

C++ Programming | In One Video

More videos:

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

Emscripten videos

Monster Madness Online (Emscripten Web Technology Overview)

Category Popularity

0-100% (relative to C++ and Emscripten)
Programming Language
88 88%
12% 12
Email Marketing
0 0%
100% 100
OOP
100 100%
0% 0
CRM
0 0%
100% 100

User comments

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Social recommendations and mentions

C++ might be a bit more popular than Emscripten. We know about 56 links to it since March 2021 and only 47 links to Emscripten. 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.

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 โ€” Technical Writer and/or Software Engineer position โ€” 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 2 years 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: about 3 years ago
  • Learning DSA from scratch : The Ultimate Guide
    For C++ I would suggest using cplusplus.com. Fantastic resource to use. Source: about 3 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: about 3 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: about 3 years ago
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Emscripten mentions (47)

  • Ask HN: Qt style "Signals and Slots" based JavaScript UI library?
    The first thing that comes to mind is that Qt now has a WebAssembly port[1] using Emscripten[2], so depending on your use-case, you could possibly just run Qt on the Web platform and avoid the need for a JavaScript framework entirely. [1]: https://doc.qt.io/qt-5/wasm.html [2]: https://emscripten.org. - Source: Hacker News / about 1 year ago
  • Ask HN: Resources for Learning Graphics Programming
    Me and a friend build our own Graphics engines based on https://learnopengl.com I can highly recommend this to everyone who gets started with computer graphics. It is a lot of new information but not the most modern Graphics library, but the information will help you understand the field and pickup any other graphics library quicker. Once I had a small project up and running I started looking at... - Source: Hacker News / almost 2 years ago
  • Software Applications Incorporated
    Https://infinitemac.org, which is https://basilisk.cebix.net compiled for the web using https://emscripten.org. - Source: Hacker News / over 2 years ago
  • How does one get started with unit testing?
    One place that Iโ€™ve found some real, open source unit tests to look at for an example is in the emsdk for emscripten: https://emscripten.org. Source: over 2 years ago
  • Playing with low-level memory in WebAssembly
    I am playing around with Emscipten which wraps around clang to compile C/C++ code in WASM binary and provide some glue-code API to embed WASM binary into JavaScript. Look into MDN Docs and Emscripten SDK to get started. - Source: dev.to / almost 3 years ago
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What are some alternatives?

When comparing C++ and Emscripten, 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.

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

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

Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Perl - Highly capable, feature-rich programming language with over 26 years of development

Babel - Babel is a compiler for writing next generation JavaScript.