In a Vue.js application, text truncation is essential for enhancing readability and maintaining a clean layout by displaying large text in a limited space, such as lists or cards. The vue-clamp library is a popular solution for achieving this in Vue.js applications, offering a lightweight component that adds a "Read more" link to reveal full text, thus allowing users to choose between the truncated or full version. The library is easy to implement, customizable, responsive, and has minimal performance impact. It supports Vue 2, with a similar package available for Vue 3, and provides features like slots and slot scopes for advanced customization. The article outlines the process of incorporating vue-clamp into a Vue application, including installation, setup, and utilizing advanced techniques such as slots and events to manage text truncation effectively. Additionally, vue-clamp's clampchange event allows developers to trigger actions based on changes in the truncation state, enhancing user interaction.