Diving Into Vue 3 - Methods, Watch, and Computed

In this tutorial, the author introduces methods, watch, and computed properties in Vue 3. They demonstrate how to use these features with a real-world example of tracking employees and managers in a company. The author also provides a comparison between watch and the new watchEffect feature in Vue 3. Additionally, they explain how to write methods inside the setup function and how to create composables for organizing component logic.