Google has a project called Lovefield [1] that is a SQL-like thing on top of IndexedDB. Not exactly SQLite and I'm not sure what its status is now but might be

Google has a project called Lovefield [1] that is a SQL-like thing on top of IndexedDB. Not exactly SQLite and I'm not sure what its status is now but might be of interest. [1]: https://github.com/google/lovefield https://github.com/google/lovefield