In vue: the difference with @
The colon (:) uses data binding events, and the at symbol (@) uses method events. Colon binding has higher priority, event modifiers can be used, and the at symbol syntax is more concise.
In Vue: The difference between @
In Vue, the colon (:) and the at symbol (@ ) is a different syntax for binding event handlers. The main differences between them are as follows:
Uses:
- ##Colon (:) is used for bindingData binding Define the event (such as v-model).
- at symbol (@) is used to bind method events (such as v-on:click).
Example:
-
Data binding (colon):
When When the content of the input box changes, it updates the<input v-model="message">
Copy after loginmessage
data.
Method event (at symbol):
When the button is clicked, the<button @click="handleClick">Click Me</button>
Copy after loginhandleClick
method will be called.
Other differences:
- Priority: Event handlers bound by colons have a higher priority than The handler for the at symbol binding.
- Event modifiers: Events bound by the colon can apply event modifiers (such as .stop or .prevent), but events bound by the at symbol cannot.
- Syntactic simplicity: The at symbolic syntax is generally more concise because it does not require specifying an event name.
Usage Guidelines:
In general, the following guidelines should be used:- For data-bound events, use colons (such as v-model).
- For events that require calling methods, use the at symbol (such as v-on:click).
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