
CodeJar
CodeMirror
ACE (Ajax Code Editor)
Monaco Editor
An embeddable code editor written in JavaScript for Expr Language.

JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
A front end web development playground.

Which is more popular?
Based on our record, CodePen seems to be a lot more popular than Expr Code Editor. While we know about 513 links to CodePen, we've tracked only 3 mentions of Expr Code Editor.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | expr-lang.org | codepen.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No Expr Code Editor videos yet. You could help us improve this page by suggesting one.
What Is Codepen?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Expr Code Editor and CodePen. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Expr Code Editor yet. Be the first one to post
Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development...
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
Recommendations tracked on public social media and blogs since March 2021.


The key line is the nested URL: {{{FromExp=fromJSON(fRes).author_key[0]}}} is an expr-lang expression evaluated against the current item (fRes) — parse it, take the first author key, splice it into the URL. Anything expr-lang can compute... - Source: dev.to / 2 months ago
With OIDC enabled you can leverage fine-grained access control through GroupBinding custom resources. Use the Expr language to bind the groups claim in a user's JWT to specific modules or providers. The moduleResources field also... - Source: dev.to / 4 months ago
Expressions are evaluated with expr-lang, a Go expression evaluator. Variables come from the threaded environment:. - Source: dev.to / 8 months ago
> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support... - Source: Hacker News / about 2 months ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / 3 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 11 months ago
When comparing Expr Code Editor and CodePen, you can also consider the following products.
CodeJar is an embeddable code editor for the browser
Compare CodeJar to Expr Code Editor or CodePen:

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to Expr Code Editor or CodePen:

CodeMirror is a versatile text editor implemented in JavaScript for the browser.
Compare CodeMirror to Expr Code Editor or CodePen:


Focused and built towards coders, web designers, and web builders, ACE (Ajax Code Editor) can help...
Compare ACE (Ajax Code Editor) to Expr Code Editor or CodePen:

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Compare GitHub to Expr Code Editor or CodePen: