Answer: yes.

• In general, modern JavaScript is a lot more stable across platforms that it was historically. ^⌖1

• The querySelector and querySelectorAll APIs make it practical to query HTML.

• The innerHTML API makes it practical to update the page.

• There are lots of APIs for responding to user behavior (form changes, mouse clicks, etc.)

• The single-threaded, non-preemptive scheduler forces the programmer to handle asynchrony rather directly, but you get used to it.