Vue.js

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Vue.js

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Vue.js

Vue.js is a progressive JavaScript framework used to build user interfaces. It’s designed to be incrementally adoptable—meaning you can use it for simple interactions or full-scale single-page applications (SPAs).

Creating a Vue Project with Vue CLI

Vue CLI is a command-line tool that scaffolds a Vue project with best practices out of the box. It sets up webpack, Babel, hot reloading, and lets you choose configurations like Vuex or Router.

01

Vue Instance and Template Syntax

The Vue instance (new Vue({})) is the core of every Vue app. It connects your data and methods to the DOM using declarative template syntax with directives like v-bind, v-model, and v-for.

02

Components in Vue.js

Vue applications are built using components—reusable blocks of code with their own template, logic, and styling. Components help structure your UI into manageable and isolated parts.

03

Props and Events in Vue

Props allow parent components to pass data down to child components, while custom events ($emit) let children communicate back to their parents, creating a clear and efficient data flow.

04

Reactive Data and Computed Properties

Vue automatically makes data reactive using its reactivity system. Computed properties are cached based on their dependencies and are used for dynamic UI logic that depends on reactive data.

05

Methods and Watchers

Methods in Vue are used to define custom functions. Watchers observe specific data properties and react to changes, ideal for handling asynchronous tasks like API calls based on user input.

STEP 01

Scalability:

Scalability: The ability to scale storage capacity as data grows.

Form Handling and v-model

The v-model directive creates two-way data binding on input fields. This makes handling form elements straightforward and keeps the UI and data in sync automatically.

Conditional Rendering with v-if and v-show

01

Vue allows you to control what appears in the DOM using directives like v-if, v-else, and v-show. These help toggle elements based on application logic or state.

Looping Through Data with v-for

The v-for directive lets you render a list of items from arrays or objects. Each looped item should include a unique key to help Vue optimize rendering performance.

Vue Router for Page Navigation

Vue Router enables single-page application navigation using dynamic routes. It supports nested routes, route parameters, guards, and lazy loading for optimized performance.