Code Execution Visualisation

• http://pythontutor.com/

Run other languages

Webcode is actually only running code for the browser

Repl

Example:

• https://github.com/datacamp/datacamp-light/ - r and python
• Restfull api is supported (POST only) at http://rextester.com/rundotnet/api.
• https://github.com/umesh-timalsina/riju
• https://github.com/replit/polygott
• https://sqlbook.io/ https://www.reddit.com/r/SQL/comments/o9z3e7/sql_rapid_prototyping/
• https://npm.runkit.com (interactive book for node)
• https://github.com/broofa/runmd - Just a node runner - Integrate Js in README

Print statement

• helper function to output formatted results.

function print(value) {
    document.write(value + '<br>');
}