The difference between v-model and v-bind in vue

The main difference between v-model and v-bind in Vue is: Purpose: v-model is used for two-way binding of the value of form elements, and v-bind is used for one-way binding of attributes or HTML elements. Syntax: v-model uses the "v-model" directive, v-bind uses a colon prefix, such as ":value". Two-way/one-way binding: v-model allows two-way binding, while v-bind only allows one-way binding. Responsiveness: v-model is more responsive, changes to the data are immediately reflected on the interface. Form elements: v-model is mainly used for form elements, while v-bind can be used for any attribute or H

Vue in v-model and The difference between v-bind

1. Purpose

• v-model:Bidirectionally bind the value of the form element.
• v-bind: One-way binding attribute or HTML element.

2. Syntax

• v-model：<input v-model="prop" >
• v-bind：<input :value="prop">

3. Two-way/one-way binding

• v-model:Two-way binding, that is, when the value of the form element changes, the data model will be automatically updated. vice versa.
• v-bind: One-way binding, that is, the value of the form element will be updated only when the value of the data model changes.

4. Responsiveness

• v-model: Changes to the data model will be immediately reflected on the form elements ,vice versa.
• v-bind: Changes to the data model are not immediately reflected on the form elements, updates must be triggered by other means (e.g., using v-on @change).

5. Form elements

• v-model: Mainly used for form elements (input, textarea, select).
• v-bind: Can be used for any attribute or HTML element.

Example

<!-- v-model：双向绑定表单元素的值 -->
<input v-model="name">

<!-- v-bind：单向绑定属性的值 -->
<input :value="name">

Summary

v-model is used to two-way bind the value of the form element, thus Enables interaction between user input and data model. v-bind is used to one-way bind the value of any attribute or HTML element.

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