Hook functions are special functions called at different stages of the Vue life cycle. Main hook functions: beforeCreate(), created(), beforeMount(), mounted(), beforeUpdate(), updated(), beforeDestroy(), destroyed(). How to use: Define hook functions in component options and execute custom logic at specific lifecycle stages. Purpose: Initialize data, perform asynchronous operations, monitor status changes, perform cleanup operations, etc. Note: The execution order is the same as the definition order, it cannot be called asynchronously, and can be inherited and overridden by sub-components.
Hook functions in Vue
Hook functions are special functions called at different stages of the Vue life cycle. They Allows us to execute custom code and monitor the behavior of the component during its life cycle.
What is a hook function?
Hook functions are special methods called at specific moments in the Vue component life cycle. They allow us to perform custom logic when components are created, mounted, updated, and destroyed.
Main hook functions
Vue provides multiple built-in hook functions, covering different stages of the component life cycle:
How to use hook function?
Define the hook function in the component options:
<code class="javascript">export default { // ...其他选项... beforeCreate() { // 自定义逻辑 }, // ...更多钩子函数... };</code>
Purpose of hook function
Hook function is used for various purposes, including:
Other Notes
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