What is the use of the v-bind instruction in Vue

Editor to share with you what is the use of v-bind instructions in Vue, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

V-bind

V-bind is used to dynamically bind one or more features. When there are no parameters, you can bind to an object that contains key-value pairs. Commonly used to dynamically bind class and style. And href and so on. Abbreviated as a colon [:]

Object syntax:

/ / example of class switching var app = new Vue ({el:'# app', data: {isActive: true, hasError: false}})

Render the result:

Array syntax

12345

Var app = new Vue ({el:'# app', data: {activeClass: false, errorClass: 'text-danger'}})

Render the result:

Bind data objects directly

12345 var app = new Vue ({el:'# app', data: {classObject: {'is-active': false,' text-danger':true})

Render the result:

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