I think it seems like a sensible name to me:
"The term isomorphism literally means sameness (iso) of form (morphism)." https://en.wikipedia.org/wiki/Isomorphism_(Gestalt_psycholog...
Perhaps the knowledgable people here (that unfortunately so far have preferred to be flippant and condescending instead of educating) could provide an explanation of showing us why "Isomorphic JavaScript" is a misnomer?