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Emscripten VS React

Compare Emscripten VS React and see what are their differences

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Emscripten logo Emscripten

Emscripten is an LLVM to JavaScript compiler.

React logo React

A JavaScript library for building user interfaces
  • Emscripten Landing page
    Landing page //
    2021-08-02
  • React Landing page
    Landing page //
    2023-04-19

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.

React features and specs

  • Component-Based Architecture
    React encourages the creation of reusable UI components, which can be leveraged to build complex user interfaces efficiently. This promotes better code organization and separation of concerns.
  • Virtual DOM
    React uses a virtual DOM to optimize and accelerate the process of updating the browser’s DOM, significantly improving application performance.
  • Strong Community and Ecosystem
    React has a large and active community, which means plenty of third-party libraries, tools, and community support are readily available to assist developers.
  • JSX Syntax
    React’s JSX syntax allows developers to write HTML structures within JavaScript code, making the code more readable and easier to debug.
  • Unidirectional Data Flow
    React promotes a unidirectional data flow, which helps maintain the predictability and ease of debugging, especially for larger applications.
  • Extensive Documentation
    React's official documentation is comprehensive, well-organized, and provides numerous examples and tutorials to help developers get started and advance their skills.

Possible disadvantages of React

  • Steep Learning Curve
    React comes with a steep learning curve for beginners, especially those unfamiliar with JavaScript ES6 and JSX syntax.
  • Boilerplate Code
    Setting up a React project often requires boilerplate code, which can be cumbersome and time-consuming compared to simpler frameworks.
  • Fast-Paced Development
    React and its associated libraries evolve rapidly, necessitating frequent updates and learning new patterns, which can be overwhelming for developers.
  • Complexity in Larger Applications
    As a React application grows in size, managing state and props across components can become complex, sometimes necessitating additional state management libraries like Redux or Context API.
  • SEO Challenges
    React, being a JavaScript library, can present challenges for search engine optimization (SEO) due to Googlebot's limitations in executing JavaScript, although this can be mitigated with server-side rendering (SSR) or static site generation (SSG).

Emscripten videos

+ Add

Monster Madness Online (Emscripten Web Technology Overview)

React videos

+ Add

What Is React?

More videos:

  • Review - NOT Worth Buying? Nike EPIC REACT FLYKNIT 2 vs Epic React REVIEW
  • Review - NIKE REACT INFINITY RUN FLYKNIT REVIEW | The Ginger Runner

Category Popularity

0-100% (relative to Emscripten and React)

Emscripten

React

Email Marketing
100 100%
Email Marketing
0% 0
Javascript UI Libraries
0 0%
Javascript UI Libraries
100% 100
IDE
100 100%
IDE
0% 0
Developer Tools
0 0%
Developer Tools
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Emscripten and React

Emscripten Reviews

We have no reviews of Emscripten yet.
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React Reviews

Top JavaScript Frameworks in 2025
ReactJS is a JavaScript based UI development library which is developed by Facebook. It is an open-source framework which is widely used by developers for web development. One of the major reasons why React.JS is widely popular is because it uses Virtual DOM. This enables developers to create web applications faster.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
React’s the cool kid on the block, turning heads since Facebook dropped it at our feet. Building dynamic user interfaces feels less like coding, more like crafting with this JavaScript library.
Source: tms-outsource.com
Top 9 best Frameworks for web development
React uses a virtual DOM to optimize the performance of UI updates and follows a one-way data flow for easy tracking of data changes. With its active community and abundance of third-party resources and libraries, React is a solid choice for web development.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
React can be used as a base in the development of single-page or mobile applications. However, React is concerned with rendering data to the DOM, so creating React apps usually requires additional libraries for state management, routing, and interaction with an API.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Some of its top features include server-side rendering, automatic code splitting, client-side routing, built-in CSS support, static site generation and API routes. Overall, Next.JS is a powerful and flexible framework that provides developers with a simple and intuitive way to build complex React applications with ease. It is widely used in the React community and has a...
Source: www.bocasay.com

Social recommendations and mentions

Based on our record, React seems to be a lot more popular than Emscripten. While we know about 814 links to React, we've tracked only 47 mentions of 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.

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 / 22 days 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 / 8 months 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 1 year ago
  • How does one get started with unit testing?
    One place that I’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 1 year 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 / over 1 year ago
View more

React mentions (814)

  • Indie Hacking with Open Source Tools: Innovating on a Budget
    One inspiring example is a developer building a "Todoist Clone" using a combination of React, Node.js, and MongoDB. The developer tapped into open source libraries and community support to create a highly responsive task management application. This project underscores how indie hackers can achieve rapid development and adaptation with minimal budget – a theme echoed in several indie hacking success stories. - Source: dev.to / 9 days ago
  • Next.js Localization: How to Build a Multilingual Website with Next-Intl
    Next.js is a very popular framework built on top of the React.js library and it provides the best Development Experience for building applications. It offers a bunch of features like:. - Source: dev.to / 22 days ago
  • Web Development Using React Framework
    Explore the official React documentation. - Source: dev.to / about 1 month ago
  • Monorepo Tutorial With Lerna, Storybook & Next.js
    We’ll be creating the components package inside the packages directory. In this monorepo package, we’ll be building React components which will be consumed by our Next.js application (front-end package). - Source: dev.to / about 1 month ago
  • Migrating from AngularJS to React
    After evaluating our options including upgrading from AngularJS to Angular (the name for every version of Angular 2 and beyond) or migrating and rewriting our application in a completely new JavaScript framework: React. We ultimately chose to go with ReactJS. - Source: dev.to / about 1 month ago
View more

What are some alternatives?

When comparing Emscripten and React, you can also consider the following products

WebAssembly - Application and Data, Languages & Frameworks, and Languages

Vue.js - Reactive Components for Modern Web Interfaces

Cheerp - Enterprise-grade C/C++ compiler for Web applications. Compiles to WASM/JavaScript

Next.js - A small framework for server-rendered universal JavaScript apps

Tiny C Compiler - The Tiny C Compiler is an x86, x86-64 and ARM processor C compiler created by Fabrice Bellard.

Svelte - Cybernetically enhanced web apps

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