JavaScript frameworks in 2025 are ever-changing, with developers empowered with strong tools to create and test applications. Mocha presents a dynamic and feature-rich testing framework suitable for asynchronous and behavior-driven development. Jest by Facebook makes testing easy through zero configuration and is ideal for React apps. Sencha Ext JS gives an extensive UI framework for data applications that improve performance and scalability. Vue.js, which is simple and adaptable, allows programmers to create high-performance and reactive user interfaces. Through the use of these frameworks, programmers are able to optimize workflows, increase efficiency, and remain ahead of the game in the dynamic JavaScript landscape.