First, we need to create a new component called User.vue where it handles each user data. But many times we use a watcher when all we needed was a computed prop. Whenever we change the movie prop, our watcher will fire, and it will fetch the new data. Career opportunities 3. But then if you need to update it in response to a property changing, you need to use the watcher. vuejs2min read. the callback is only called when the watched source has changed. If you have to update it from your