The role of @ in vue

The

@ symbol represents directives in Vue that are used to enhance application functionality by modifying or extending element behavior. These directives allow developers to: Bind data and events Modify element appearance and behavior Respond to user input and lifecycle events Common directives include v-model, v-if/v-else, v-for, v-on, and v-bind.

@ The role of Vue

@ Symbols play an important role in Vue Roles, which represent directives, are used to modify or extend the behavior of Vue elements. Directives are special instructions provided by Vue, they start with the v- prefix and are used to add extra functionality or action elements.

The role of directives

Directives allow developers to:

• Bind data and events
• Modify element appearance and Behavior
• Response to user input and life cycle events

Most commonly used directives

There are some commonly used directives in Vue:

• v-model: Two-way binding of input fields and Vue data
• v-if and v-else: Based on Boolean condition to show or hide elements
• v-for: Loop through an array or object and render the list
• v-on: Listen and handle events
• v-bind: Bind attribute values ​​to Vue data

Use instructions

To use instructions, You need to add the v- prefix to the element, followed by the directive name:

<code class="html"><div v-if="condition"></div>
<input v-model="message"></input></code>

Direction parameters

Some directives can accept a colon-separated parameter List, this parameter provides additional configuration or information:

<code class="html"><div v-for="item in items" :key="item.id"></div></code>

Summary

@ symbol is a flag for Vue directives that allows developers to modify or extend the behavior of an element. Enhance the functionality of Vue applications. By using directives, developers can create applications that are interactive, dynamic, and responsive to user input.

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