Yeah that's really it. The browser is essentially a cross-platform VM, not entirely unlike the JVM or BEAM.
In the end, you get somewhat a least-common denominator since it's abstracting so much. It's both constraining (you don't get the full power of the platform(s) you're building for), and enabling (you get to build once, run everywhere).
In the end, you get somewhat a least-common denominator since it's abstracting so much. It's both constraining (you don't get the full power of the platform(s) you're building for), and enabling (you get to build once, run everywhere).