Real in what way? I'm not too familiar with them, but they seem about on par with the environment for JavaScript that is html files or "web pages". Making a ht

Real in what way? I'm not too familiar with them, but they seem about on par with the environment for JavaScript that is html files or "web pages". Making a html document so someone can easily run some JavaScript, seems like the closest parallel to making a jupiter notebook so someone can easily run some python.