Clamato: A Smalltalk Dialect for JavaScript
Clamato is self-hosting, in that it can compile itself to efficient JavaScript, entirely within the web browser. It uses a parser library based on Lukas Renggli’s PetitParser. Smalltalk constructs (eg: temps, instance variables, message sends, blocks) generally map one-to-one to their JavaScript equivalents (respectively: local variables, object properties, method calls, functions).