Description: User interaction monitoring in JavaScript refers to the practice of tracking and analyzing how users interact with web applications that utilize this programming language. This process is fundamental for improving user experience, as it allows developers to better understand user behavior, identify problem areas, and optimize the user interface. Through monitoring tools, data can be collected on clicks, scrolls, time spent on certain sections, and other relevant interactions. This information translates into valuable insights that can guide design and development decisions, ensuring that applications are more intuitive and effective. Additionally, interaction monitoring is often integrated into application performance monitoring strategies, where the goal is not only to understand application performance but also how end users experience the service. In an environment where competition is fierce, providing an exceptional user experience has become a key differentiator for businesses, and user interaction monitoring is an essential tool in this effort.