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What is the role of v-model in vue

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Release: 2024-04-27 23:48:32
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The v-model directive in Vue provides a two-way data binding function, which enables the value of the input element to be synchronized to the data attribute of the Vue instance in real time, and vice versa, simplifying form data processing and improving code readability. and maintainability, reducing code for manually updating data attributes.

What is the role of v-model in vue

The role of v-model in Vue

v-model is a very important instruction in Vue.js , which provides a two-way data binding function for input elements, that is, the value of the element is synchronized in real time with the data attribute corresponding to the Vue instance.

Principle of operation

v-model binds the value attribute of the input element to the data attribute of a Vue instance. When the user changes the value of an input element, the Vue instance's data properties are updated. Similarly, when the data attribute of the Vue instance changes, the value of the input element bound to it will be automatically updated.

Usage

v-model can be used for various types of input elements, including:

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  • Copy after loginAmong them,propertyNameis the data attribute name of the Vue instance.AdvantagesUsing v-model has the following advantages:Simplifies the processing of form dataImproved Code readability and maintainabilityReduced code for manually updating data attributesThe above is the detailed content of What is the role of v-model in vue. For more information, please follow other related articles on the PHP Chinese website!Related labels:vuesource:php.cnPrevious article:Implementation principle of v-model in vueNext article:The difference between v-model and v-bind in vueStatement of this WebsiteThe content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cnLatest Articles by AuthorHow to convert to string type in js2024-05-10 05:00:26The relationship between objects and classes in js2024-05-10 04:57:21What are the objects in js2024-05-10 04:54:17Which methods in js will change the original array2024-05-10 04:51:19Usage of class in js2024-05-10 04:45:28Advantages and disadvantages of closures in js2024-05-10 04:39:16Actual usage scenarios of classes in js2024-05-10 04:33:20The role of document.createlement in js2024-05-10 04:30:23What are the methods of document in js2024-05-10 04:27:19How to use document in js2024-05-10 04:24:18Latest IssuesVue 3 and Vuetify 3 access SCSS/SASS variables in componentsI want to use predefined variables in my Vue3 component.