JSX is a simple transformation of nested JavaScript functions, but the custom DSLs used by other frameworks is string templating, which is kind of an inversion

JSX is a simple transformation of nested JavaScript functions, but the custom DSLs used by other frameworks is string templating, which is kind of an inversion of how JSX works. JSX also has extremely good support in just about every editor and it supports TypeScript, which is not true of every DSL.