> Closure Library is Google's open source JavaScript library, now no longer maintained: what it does on a website and what it means for cookies and GDPR. > > Canonical: https://www.flowconsent.com/en/services/framework/closure-library Frameworks # Closure Library Unclassified · [Official website](https://github.com/google/closure-library) Closure Library is an open source JavaScript library developed by Google, providing utilities for DOM handling, events, data structures and user interface components. It was designed to work with the Closure Compiler and powered several Google web applications, but Google has since ended its maintenance. It runs in the browser and does not track visitors on its own. 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