
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Google's Python Class
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

stealjs
Qoopido.demand
RequireJS
Webpack
JSPM
Curl.js
rollup.js
Configurable module loader enabling dynamic ES module workflows in browsers and NodeJS.

Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than SystemJS. While we know about 46 links to CheckIO, we've tracked only 4 mentions of SystemJS.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | checkio.org | github.com |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of SystemJS yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
Javascript Tutorial - SystemJS intro
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
We have no reviews of SystemJS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Using the SystemJS library, we can seamlessly integrate a web component or MFE, or even import any module at runtime. - Source: dev.to / about 2 years ago
I would like to upgrade my existing Rails and Angular 1.x application. I'm following the ng-upgrade documentation and seeing that there are many dependencies including systemjs, typescript, tsd and a few other javascript libraries.... Source: over 3 years ago
There's also https://github.com/systemjs/systemjs if you want more of a ponyfill approach. FWIW bundlers also don't use the browser's functionality to load modules... - Source: Hacker News / over 3 years ago
When comparing CheckIO and SystemJS, you can also consider the following products.


Futuristic JavaScript dependency loader and builder. Speeds up application load times. Works with ES6, CommonJS, AMD, CSS, LESS and more. Simplifies modular workflows.
Compare stealjs to CheckIO or SystemJS:

Download and solve practice problems in over 30 different languages.
Compare Exercism to CheckIO or SystemJS:

Browser only, promise like and extremely lightweight module loader using XHR/XDR requests and localStorage caching to dynamically load JavaScript modules, JSON, HTML, CSS, text and Bundles (single script containing multiple concatenated modules) wit…
Compare Qoopido.demand to CheckIO or SystemJS:

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to CheckIO or SystemJS:

RequireJS is a JavaScript file and module loader.
Compare RequireJS to CheckIO or SystemJS: