I think the title should have `JS` in it, because for quite few people it just might not make sense. Besides the examples are such that the author seems to have

I think the title should have `JS` in it, because for quite few people it just might not make sense. Besides the examples are such that the author seems to have been simultaneously competing in a obscured code brevity competition. Plus, language is definitely not "plain English" wrt jargons.