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JSFiddle VS CodeMirror

Compare JSFiddle VS CodeMirror and see what are their differences

JSFiddle logo JSFiddle

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

CodeMirror logo CodeMirror

CodeMirror is a versatile text editor implemented in JavaScript for the browser.
  • JSFiddle Landing page
    Landing page //
    2022-07-11
  • CodeMirror Landing page
    Landing page //
    2022-07-19

JSFiddle features and specs

  • Easy Sharing and Collaboration
    JSFiddle allows users to share and collaborate on code snippets effortlessly by generating unique URLs for each project.
  • Real-Time Editing
    Changes made to HTML, CSS, and JavaScript are displayed in real-time, providing instant feedback and streamlining the development process.
  • Supports Multiple Frameworks
    JSFiddle supports various JavaScript frameworks and libraries such as jQuery, Vue.js, and React, allowing developers to experiment with different technologies.
  • Embed Feature
    Users can embed their fiddles directly into websites or blogs, enabling easy demonstration of code and concepts.
  • Version Control
    JSFiddle offers version control, allowing users to save different versions of their code and revert to previous versions if needed.

Possible disadvantages of JSFiddle

  • Limited Backend Support
    JSFiddle is primarily focused on frontend development and does not provide robust backend development capabilities.
  • Performance Issues
    With complex or resource-intensive projects, JSFiddle can experience performance lag, impacting the user experience.
  • Basic IDE Features
    Compared to full-fledged Integrated Development Environments (IDEs), JSFiddle lacks advanced features such as code linting, debugging tools, and extensive plugins.
  • File Management
    JSFiddle does not offer comprehensive file management, making it challenging to work on larger projects with multiple files.
  • Dependency Management
    Managing dependencies can be cumbersome, as JSFiddle does not provide built-in tools to handle package management seamlessly.

CodeMirror features and specs

  • Extensible
    CodeMirror is highly customizable with a rich API that allows developers to extend its functionality to meet specific needs. It supports a wide variety of languages and can be adapted to different editing scenarios.
  • Lightweight
    CodeMirror is designed to be efficient and lightweight, suitable for integration into web applications without significantly impacting performance.
  • Wide Language Support
    It offers support for many programming languages out of the box, which makes it versatile for different programming tasks.
  • Active Community
    There is an active community of developers contributing to CodeMirror, which ensures regular updates, improvements, and bug fixes.
  • Embeddable
    CodeMirror can be easily embedded into existing web pages or web applications, enabling developers to provide a rich text editor experience.

Possible disadvantages of CodeMirror

  • Complex Configuration
    While CodeMirror is highly customizable, setting it up and configuring it to fit specific requirements can be complex and sometimes overwhelming for new users.
  • Minimal Default Features
    Out of the box, CodeMirror provides a basic editor without many advanced features, requiring extra configuration and plugins to add functionality like autocompletion or linting.
  • Learning Curve
    For developers new to CodeMirror, there may be a learning curve involved in understanding its structure and API, especially when creating custom plugins or features.
  • Performance on Large Files
    CodeMirror can experience performance issues when dealing with very large files or extremely complex documents, which may affect its suitability for all projects.
  • Limited Built-in Mobile Support
    CodeMirror’s default interface is not inherently optimized for touch interactions, making it less ideal for mobile or tablet editing without additional customization.

JSFiddle videos

Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y

More videos:

  • Review - 1.3 Using JSFiddle to Create a Simple Web Page

CodeMirror videos

How to get value of CodeMirror text editor - step by step guide | CodeMirror #02

More videos:

  • Review - HTMLHint Linter Codemirror Integration

Category Popularity

0-100% (relative to JSFiddle and CodeMirror)
Text Editors
86 86%
14% 14
Programming
100 100%
0% 0
Rich Text Editor
0 0%
100% 100
Programming Tools
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 JSFiddle and CodeMirror

JSFiddle Reviews

8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
12 Best Online IDE and Code Editors to Develop Web Applications
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
Source: geekflare.com
6 Coding Playgrounds For Web Developers
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating quirk of JSFiddle is its run button, sometimes clicking on it doesn’t work, so you’ll have to click a couple more times before it actually runs the code (and...

CodeMirror Reviews

We have no reviews of CodeMirror yet.
Be the first one to post

Social recommendations and mentions

Based on our record, JSFiddle should be more popular than CodeMirror. It has been mentiond 201 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.

JSFiddle mentions (201)

  • Imagine telling 2010 devs that in 2025, collapsing a div would require $8M
    > This specific example, https://jsfiddle.net, is not a monopoly and has many suitable replacements (e.g. https://livecodes.io/, https://liveweave.com). The other two don't even have sidebars... They are suitable replacements in the same way that crickets are a suitable replacement for beef – It'll get the job done. But often the customer wants more, like the whole experience, and jsfiddle does have a... - Source: Hacker News / about 2 months ago
  • HTML Basics: A Beginner's Guide
    Open a code editor (or an online editor like CodePen or JSFiddle) and try this:. - Source: dev.to / about 2 months ago
  • Embedding JSFiddle in dev.to Articles
    Save your work to get a unique URL like https://jsfiddle.net/yourusername/yourfiddleID/. - Source: dev.to / 3 months ago
  • 100+ Must-Have Web Development Resources
    JSFiddle: Customize the environment to test your HTML, CSS, and JavaScript code. - Source: dev.to / 7 months ago
  • Level Up Your Interview Game with Practice Problems
    But we got this, jumping into https://jsfiddle.net/ instantly and writing:. - Source: dev.to / 9 months ago
View more

CodeMirror mentions (45)

  • 25 Project Ideas from Beginner to Advanced with Open Source Contributions
    NOTE: CodeMirror 6 exists, and is more mobile-friendly, more accessible, better designed, and much more actively maintained. - Source: dev.to / 6 months ago
  • Integrating the ruff language server
    This post covers some background on the Language Server Protocol and then goes into a demonstration of how to integrate the ruff language server into a simple code editor built using CodeMirror. The code for the demonstration is availiable on github. - Source: dev.to / 10 months ago
  • Adding a Code Editor to your React App
    From the official CodeMirror documentation:. - Source: dev.to / about 1 year ago
  • Eloquent JavaScript 4th edition (2024)
    For those that don't know the author, Marijn Haverbeke, is the creator of CodeMirror (code editor) and later ProseMirror (text editor). https://codemirror.net/ https://prosemirror.net/. - Source: Hacker News / about 1 year ago
  • Show HN: Heynote – A Dedicated Scratchpad for Developers
    Performance is mostly handled by CodeMirror (https://codemirror.net/), the underlying editor that Heynote is built upon. It seems to handle quite large buffers well. Where I have seen some minor performance issues is when working with very large blocks in certain language modes. - Source: Hacker News / over 1 year ago
View more

What are some alternatives?

When comparing JSFiddle and CodeMirror, you can also consider the following products

CodePen - A front end web development playground.

ACE (Ajax Code Editor) - Focused and built towards coders, web designers, and web builders, ACE (Ajax Code Editor) can help...

CodeSandbox - Online playground for React

ProseMirror - A toolkit for building rich-text editors on the web

Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.

Quill - Powerful, API-driven rich text editor