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In vue: the difference with @

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Release: 2024-05-02 21:33:53
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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 with @

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):

    <code class="html"><input v-model="message"></code>
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    When When the content of the input box changes, it updates the

    message data.

  • Method event (at symbol):

    <code class="html"><button @click="handleClick">Click Me</button></code>
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    When the button is clicked, the

    handleClick 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).
By understanding these differences, you can effectively use event binding syntax in Vue to create reactive and interactive applications.

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