Legacy JavaScript Issues

November 2018: This material is under very active development, and we would appreciate your help: please email us, file an issue in our GitHub repository, or submit a pull request. (We would particularly appreciate descriptions of common errors and how to fix them.) Everyone whose work is incorporated will be acknowledged; please note that all contributors are required to abide by our Code of Conduct.

Equality

FIXME: explain equality testing https://www.destroyallsoftware.com/talks/wat

Iteration

FIXME: explain iteration

Prototypes

FIXME: explain prototypes