With Tuesday’s release of Flow, an open source static type checker, Facebook engineers are continuing their recent efforts to seed the community at large with tools built in-house. “Flow adds ...

Google has started indexing AJAX and JavaScript content. This includes, for example, the Facebook Comments Box many sites use to power their commenting system.

Now open sourced by Facebook under an MIT licence, Hermes is supposed to supercharge startup times, drain less memory and result in a smaller overall application code footprint.

Malicious SVG files on adult websites hide JavaScript that hijacks Facebook sessions, secretly liking posts, and potentially exposing victims to identity theft and credential harvesting.