What is a composite API

The new API style introduced by Vue 3 replaces the traditional Options API, better organizing logic and reusing code.

Core API

Ref defines responsive variables, reactive defines responsive objects, computed computed properties, and watch listeners.

Lifecycle

Hook functions such as onMounted, onUpdated, onUnmounted, etc.

Logical reuse

Extract and reuse logic through the composable function, replacing mixins.

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