Home Web Front-end JS Tutorial Detailed explanation of v-bind and v-on use cases

Detailed explanation of v-bind and v-on use cases

May 14, 2018 pm 01:52 PM
v-bind v-on Detailed explanation

This time I will bring you a detailed explanation of the use cases of v-bind and v-on. What are the precautions for using v-bind and v-on? The following is a practical case, let's take a look.

The v-bind directive is used to update HTML responsively. The characteristic form is: v-bind:href , abbreviated as :href;

v-on directive is used to monitor DOM

eventsForm such as: v-on:click abbreviated as @click;

<body>
 <p id="test">
  <img v-bind:src="src">
  <a v-bind:href="url" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >百度一下</a>
  <a :href="url" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >百度一下</a>
  <a href="{{url}}" rel="external nofollow" >百度一下</a>
  <a v-on:click="update()" href="#" rel="external nofollow" rel="external nofollow" >更改图片</a>
  <a @click="update()" href="#" rel="external nofollow" rel="external nofollow" >更改图片</a>
 </p>
 <script type="text/javascript">
  new Vue({
   el: '#test',
   data: {
    url: "https://www.baidu.com",
    src: "img/spring.jpg"16 17 18    },
   methods: {
    update: function(){
     this.src = "img/summer.jpg";
    }
   }
  })
 </script>
</body>
Copy after login
note: These two instructions are only available after vue.js version 1.0

v- bind, abbreviation of v-on

When building a single page application (SPA), Vue.js will manage all templates, and the v- prefix is ​​not so important at this time. Therefore, Vue.js provides special abbreviations for the two most commonly used instructions v-bind and v-on:

Let me introduce the abbreviation of v-bind to you:

<!-- 完整语法 --> 
<a v-bind:href="url" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></a> 
<!-- 缩写 --> 
<a :href="url" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></a> 
<!-- 完整语法 --> 
<button v-bind:disabled="someDynamicCondition">Button</button> 
<!-- 缩写 --> 
<button :disabled="someDynamicCondition">Button</button>
Copy after login

v-on abbreviation:

<!-- 完整语法 --> 
<a v-on:click="doSomething"></a> 
<!-- 缩写 --> 
<a @click="doSomething"></a>
Copy after login
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

JS HTML5 to create mouse-bound particle flow animation

vuex localstorage dynamic monitoring storage steps detailed explanation

The above is the detailed content of Detailed explanation of v-bind and v-on use cases. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The 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.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Detailed explanation of obtaining administrator rights in Win11 Detailed explanation of obtaining administrator rights in Win11 Mar 08, 2024 pm 03:06 PM

Windows operating system is one of the most popular operating systems in the world, and its new version Win11 has attracted much attention. In the Win11 system, obtaining administrator rights is an important operation. Administrator rights allow users to perform more operations and settings on the system. This article will introduce in detail how to obtain administrator permissions in Win11 system and how to effectively manage permissions. In the Win11 system, administrator rights are divided into two types: local administrator and domain administrator. A local administrator has full administrative rights to the local computer

Detailed explanation of the mode function in C++ Detailed explanation of the mode function in C++ Nov 18, 2023 pm 03:08 PM

Detailed explanation of the mode function in C++ In statistics, the mode refers to the value that appears most frequently in a set of data. In C++ language, we can find the mode in any set of data by writing a mode function. The mode function can be implemented in many different ways, two of the commonly used methods will be introduced in detail below. The first method is to use a hash table to count the number of occurrences of each number. First, we need to define a hash table with each number as the key and the number of occurrences as the value. Then, for a given data set, we run

Detailed explanation of division operation in Oracle SQL Detailed explanation of division operation in Oracle SQL Mar 10, 2024 am 09:51 AM

Detailed explanation of division operation in OracleSQL In OracleSQL, division operation is a common and important mathematical operation, used to calculate the result of dividing two numbers. Division is often used in database queries, so understanding the division operation and its usage in OracleSQL is one of the essential skills for database developers. This article will discuss the relevant knowledge of division operations in OracleSQL in detail and provide specific code examples for readers' reference. 1. Division operation in OracleSQL

Detailed explanation of remainder function in C++ Detailed explanation of remainder function in C++ Nov 18, 2023 pm 02:41 PM

Detailed explanation of the remainder function in C++ In C++, the remainder operator (%) is used to calculate the remainder of the division of two numbers. It is a binary operator whose operands can be any integer type (including char, short, int, long, etc.) or a floating-point number type (such as float, double). The remainder operator returns a result with the same sign as the dividend. For example, for the remainder operation of integers, we can use the following code to implement: inta=10;intb=3;

Learn to use Vue's v-on instruction to handle mouse move-in and move-out events Learn to use Vue's v-on instruction to handle mouse move-in and move-out events Sep 15, 2023 am 08:34 AM

Learn to use Vue's v-on instruction to handle mouse move-in and move-out events. Mouse move-in and move-out events are one of the common interactive effects in Web pages. Vue provides the v-on instruction to handle these events conveniently. This article will introduce how to use Vue's v-on directive to handle mouse move-in and move-out events, and provide specific code examples. Before using Vue's v-on directive to handle mouse move-in and move-out events, we need to understand the basic usage of the v-on directive. The v-on directive is used to listen to DOM events and

Learn to use Vue's v-on directive to handle keyboard shortcut events Learn to use Vue's v-on directive to handle keyboard shortcut events Sep 15, 2023 am 11:01 AM

Learn to use Vue's v-on directive to handle keyboard shortcut events. In Vue, we can use the v-on directive to listen for element events, including mouse events, keyboard events, etc. This article will introduce how to use the v-on directive to handle keyboard shortcut events and provide specific code examples. First, you need to define a method in the Vue instance to handle shortcut key events. For example, we can add a method named handleShortcut to methods: methods:{

Detailed explanation of the role and usage of PHP modulo operator Detailed explanation of the role and usage of PHP modulo operator Mar 19, 2024 pm 04:33 PM

The modulo operator (%) in PHP is used to obtain the remainder of the division of two numbers. In this article, we will discuss the role and usage of the modulo operator in detail, and provide specific code examples to help readers better understand. 1. The role of the modulo operator In mathematics, when we divide an integer by another integer, we get a quotient and a remainder. For example, when we divide 10 by 3, the quotient is 3 and the remainder is 1. The modulo operator is used to obtain this remainder. 2. Usage of the modulo operator In PHP, use the % symbol to represent the modulus

Detailed explanation of the linux system call system() function Detailed explanation of the linux system call system() function Feb 22, 2024 pm 08:21 PM

Detailed explanation of Linux system call system() function System call is a very important part of the Linux operating system. It provides a way to interact with the system kernel. Among them, the system() function is one of the commonly used system call functions. This article will introduce the use of the system() function in detail and provide corresponding code examples. Basic Concepts of System Calls System calls are a way for user programs to interact with the operating system kernel. User programs request the operating system by calling system call functions

See all articles