FnKit is a lightweight Global JS Client Extension that equips your Liferay environment with a powerful set of utility functions—instantly accessible via Liferay.FnKit. Whether you’re building fragments or full-blown applications, FnKit helps you streamline development with reusable, battle-tested helpers. Some examples are: getCssVariable – Dynamically retrieve CSS variable values from your stylesheets. debounce – Limit how often your functions run, perfect for performance tuning. uuidv4 – Generate universally unique identifiers for DOM elements, tracking, and more. Built for developers, by a developer who got tired of rewriting the same functions. Add it once—use it everywhere.