Code Quality Rank: L1
Programming language: JavaScript
License: MIT License
Tags: Testing Frameworks     Runner    

yolpo alternatives and similar libraries

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What does it do?

sequential shows JavaScript code execution

var i=5/4;
// > 2.25

live example

What is it for ?

The purpose of sequential is to provide an environment to show JavaScript code execution in a browser.

sequential gives JavaScript authors the means to write the most concise and most natural (i.e. sequential) script to present any JavaScript work.

A typical piece consists of all or some of those parts:

  1. A comment describing what the code is about
  2. The load function to access any external JavaScript library (commonly relying on CDN services like rawgit, cdnjs, jsdelivr, unpkg and others)
  3. JavaScript code to set a use case.
  4. console.log calls to display the outcome.

How does it compare with other code playgrounds such as codepen or jsfiddle ?

Those are bigger beasts than sequential: fully fledged solutions covering all aspects of Web Development (HTML, CSS, JavaScript). Instead, sequential focuses only on JavaScript execution without involving (as mush as possible) any DOM object.

The architecture.

sequential is a complete client side solution, meaning that everything is running on the browser. The back-end (server) is only responsible to serve static resources (HTML, CSS, JavaScript and images)


It's a misty one but those are a few things I'd like to have:

  • Ability to easily embed on external site (e.g. IFrame , embed.ly, script )
  • Ability to compare/diff executions (i.e. to highlight differences between browsers)


Report any issue using GitHub and use notifications to track progress on them.


Want to hack on this project? Any kind of contribution is welcome! I am particularly interested in any JavaScript snippet you might want to share.


This project is licensed under the MIT license.

*Note that all licence references and agreements mentioned in the yolpo README section above are relevant to that project's source code only.