Nitty-gritty details: the ECMA-262 spec defines reserved words and future reserved words in section 7.5.1. Many OO-ish keywords like
implements are reserved for the future, as well as specific data types like
int and … you guessed it,
I'm Baron Schwartz, the founder and CEO of VividCortex. I am the author of High Performance MySQL and lots of open-source software for performance analysis, monitoring, and system administration. I contribute to various database communities such as Oracle, PostgreSQL, Redis and MongoDB. More about me.