The official Staticman script sample depends on jQuery. I have been using jQuery in my Staticman script for nested comments for more than six months.
Recently, in the new release of Hugo Swift Theme, in which I'm a collaborator, one has removed all jQuery methods at commit f137efa4. Here's the structure of the script:
auxiliary functions like elem, elems, pushClass, deleteClass, etc. A self-executing function comments() some necessary local variables handleForm() consisting merely of an event listener handling form submission.