Essential entry-level development functions for VUE3 beginners

Vue3 is one of the most popular frameworks in the front-end field. With its advantages of efficiency, flexibility and ease of use, it has attracted more and more front-end developers to learn and try.

This article will provide some introductory development functions for Vue3 beginners to help them understand the basic functions and usage of Vue3, so as to help them get started with Vue3 development faster.

1. Declare data

In Vue3, we can declare data by using the data option, so that we can use these data in Vue components to change our Interface presentation.

data() {
return {

message: 'Hello Vue.js 3!'

}
}

2. Interpolation binding

In Vue3 , we can use double bracket syntax for interpolation binding to achieve dynamic binding of data.

{{ message }}

We can also bind titles or other non-text attributes through v-bind syntax:

3. Event binding

In Vue3, we can use the v-on directive to bind events Handlers to respond to user interactions.

Click Me!

4. Conditional statement

In Vue3 , we can use v-if / v-else directives to render different content based on conditions.

Hello!

No data to display

5. Property calculation

In Vue3, we can use calculated properties to process declared data, and we can reference these calculated properties in templates.

computed: {
fullName() {

return this.firstName + ' ' + this.lastName

}
}

{{ fullName }}

6. List rendering

In Vue3, we can use the v-for directive to generate multiple elements based on the data array.

• {{ item }}

7. Component development

In Vue3, we can use the Vue.component() method to register global or local components.

Vue.component('my-component', {
template: '

My Component

'
})

You can pass in the template Use custom components in the following ways:

Summary

The above are the essential entry-level development functions for Vue3 beginners , these functions can help us complete most of the Vue application development, and more advanced functions and techniques can be gradually mastered in subsequent studies. The simplicity and ease of use of Vue3 has made it one of the irreplaceable and important tools in front-end development. I hope that the introduction in this article can help beginners better understand and use Vue3.

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