Vue JS 3 Tutorial for Beginners #11 Computed Properties and Watchers Vue 3

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Computed properties and watchers are powerful features in Vue.js that enable you to reactively compute values and watch for changes. Here's an example of how you can use computed properties and watchers in Vue 3:


Computed Properties

Computed properties allow you to perform calculations based on reactive data and cache the result until its dependencies change.

Computed Properties: They are cached based on their dependencies and only recompute when the dependencies change. They are used for synchronous computations or derived data.
Watchers: They allow you to perform actions in response to data changes. They are more flexible and can perform asynchronous or more complex operations based on changes.
Watchers allow you to perform actions or computations in response to changes in data.
Both computed properties and watchers are integral parts of Vue's reactivity system, allowing you to efficiently handle data changes and perform specific actions based on those changes.



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