What you can do online code editor with a check(similar as htmlacademy)?

Interested in what languages this is implemented and what is the approximate cost of such a miracle)
March 13th 20 at 13:51
1 answer
March 13th 20 at 13:53
In any. For example, using JavaScript.
With regards to the prices then there is the question what languages to check and what to check.

I like the VS Code checks )))

Alas htmlacademy not familiar with.

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