Meta hands its open-source Jest JavaScript testing framework to the OpenJS Foundation to let the project flourish as a community-led initiative.

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

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.

Fastlane founder Felix Krause has revealed that Facebook and Instagram's in-app browsers inject JavaScript into third-party websites. Krause originally said the in-app browsers were injecting the ...

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 ...