TypeScript Practice Online
More than 500 missions cover multiple topics with different levels of complexity. And translated into different languages.
Coding challenges with solutions
After solving a coding puzzle you can check the solutions of other users and code-reviews for those solutions. You can learn much more from that.
Search for more
Internal Search Engine allows you to find even more solutions on subjects you are interested in.
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CheckiO ClassRoom
You, as a teacher, will have multiple tools to track your students’ progress.
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Create your own
Every mission on CheckiO is a GitHub repository. So you can improve other missions or create your own mission starting with level 9.
Read more here…
PS: Hints
Some of the missions have progressive hints so you can get a little bit of help if you are stuck.
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