# Alpine.js
[](https://alpinejs.codewithhugo.com/chat/)
Alpine.js offers you the reactive and declarative nature of big frameworks like Vue or React at a much lower cost.
You get to keep your DOM, and sprinkle in behavior as you see fit.
Think of it like [Tailwind](https://tailwindcss.com/) for JavaScript.
> Note: This tool's syntax is almost entirely borrowed from [Vue](https://vuejs.org/) (and by extension [Angular](https://angularjs.org/)). I am forever grateful for the gift they are to the web.
## Translated documentation
| Language | Link for documentation |
| --- | --- |
| Arabic | [**التوثيق باللغة العربية**](./README.ar.md) |
| Chinese Simplified | [**简体中文文档**](./README.zh-CN.md) |
| Chinese Traditional | [**繁體中文說明文件**](./README.zh-TW.md) |
| German | [**Dokumentation in Deutsch**](./README.de.md) |
| Indonesian | [**Dokumentasi Bahasa Indonesia**](./README.id.md) |
| Japanese | [**日本語ドキュメント**](./README.ja.md) |
| Portuguese | [**Documentação em Português**](./README.pt.md) |
| Russian | [**Документация на русском**](./README.ru.md) |
| Spanish | [**Documentación en Español**](./README.es.md) |
| Turkish | [**Türkçe Dokümantasyon**](./README.tr.md) |
| Français | [**Documentation en Français**](./README.fr.md) |
| Korean | [**한국어 문서**](./README.ko.md) |
## Install
**From CDN:** Add the following script to the end of your `<head>` section.
```html
<script src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js" defer></script>
```
That's it. It will initialize itself.
For production environments, it's recommended to pin a specific version number in the link to avoid unexpected breakage from newer versions.
For example, to use version `2.8.1` (latest):
```html
<script src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.8.1/dist/alpine.min.js" defer></script>
```
**From npm:** Install the package from npm.
```js
npm i alpinejs
```
Include it in your script.
```js
import 'alpinejs'
```
**For IE11 support** Use the following scripts instead.
```html
<script type="module" src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js"></script>
<script nomodule src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine-ie11.min.js" defer></script>
```
The pattern above is the [module/nomodule pattern](https://philipwalton.com/articles/deploying-es2015-code-in-production-today/) that will result in the modern bundle automatically loaded on modern browsers, and the IE11 bundle loaded automatically on IE11 and other legacy browsers.
## Use
*Dropdown/Modal*
```html
<div x-data="{ open: false }">
<button @click="open = true">Open Dropdown</button>
<ul
x-show="open"
@click.away="open = false"
>
Dropdown Body
</ul>
</div>
```
*Tabs*
```html
<div x-data="{ tab: 'foo' }">
<button :class="{ 'active': tab === 'foo' }" @click="tab = 'foo'">Foo</button>
<button :class="{ 'active': tab === 'bar' }" @click="tab = 'bar'">Bar</button>
<div x-show="tab === 'foo'">Tab Foo</div>
<div x-show="tab === 'bar'">Tab Bar</div>
</div>
```
You can even use it for non-trivial things:
*Pre-fetching a dropdown's HTML content on hover.*
```html
<div x-data="{ open: false }">
<button
@mouseenter.once="
fetch('/dropdown-partial.html')
.then(response => response.text())
.then(html => { $refs.dropdown.innerHTML = html })
"
@click="open = true"
>Show Dropdown</button>
<div x-ref="dropdown" x-show="open" @click.away="open = false">
Loading Spinner...
</div>
</div>
```
## Learn
There are 14 directives available to you:
| Directive | Description |
| --- | --- |
| [`x-data`](#x-data) | Declares a new component scope. |
| [`x-init`](#x-init) | Runs an expression when a component is initialized. |
| [`x-show`](#x-show) | Toggles `display: none;` on the element depending on expression (true or false). |
| [`x-bind`](#x-bind) | Sets the value of an attribute to the result of a JS expression. |
| [`x-on`](#x-on) | Attaches an event listener to the element. Executes JS expression when emitted. |
| [`x-model`](#x-model) | Adds "two-way data binding" to an element. Keeps input element in sync with component data. |
| [`x-text`](#x-text) | Works similarly to `x-bind`, but will update the `innerText` of an element. |
| [`x-html`](#x-html) | Works similarly to `x-bind`, but will update the `innerHTML` of an element. |
| [`x-ref`](#x-ref) | Convenient way to retrieve raw DOM elements out of your component. |
| [`x-if`](#x-if) | Remove an element completely from the DOM. Needs to be used on a `<template>` tag. |
| [`x-for`](#x-for) | Create new DOM nodes for each item in an array. Needs to be used on a `<template>` tag. |
| [`x-transition`](#x-transition) | Directives for applying classes to various stages of an element's transition. |
| [`x-spread`](#x-spread) | Allows you to bind an object of Alpine directives to an element for better reusability. |
| [`x-cloak`](#x-cloak) | This attribute is removed when Alpine initializes. Useful for hiding pre-initialized DOM. |
And 6 magic properties:
| Magic Properties | Description |
| --- | --- |
| [`$el`](#el) | Retrieve the root component DOM node. |
| [`$refs`](#refs) | Retrieve DOM elements marked with `x-ref` inside the component. |
| [`$event`](#event) | Retrieve the native browser "Event" object within an event listener. |
| [`$dispatch`](#dispatch) | Create a `CustomEvent` and dispatch it using `.dispatchEvent()` internally. |
| [`$nextTick`](#nexttick) | Execute a given expression AFTER Alpine has made its reactive DOM updates. |
| [`$watch`](#watch) | Will fire a provided callback when a component property you "watched" gets changed. |
## Sponsors
<img width="33%" src="https://refactoringui.nyc3.cdn.digitaloceanspaces.com/tailwind-logo.svg" alt="Tailwind CSS">
**Want your logo here? [DM on Twitter](https://twitter.com/calebporzio)**
## Community Projects
* [AlpineJS Weekly Newsletter](https://alpinejs.codewithhugo.com/newsletter/)
* [Spruce (State Management)](https://github.com/ryangjchandler/spruce)
* [Turbolinks Adapter](https://github.com/SimoTod/alpine-turbolinks-adapter)
* [Alpine Magic Helpers](https://github.com/KevinBatdorf/alpine-magic-helpers)
* [Awesome Alpine](https://github.com/ryangjchandler/awesome-alpine)
### Directives
---
### `x-data`
**Example:** `<div x-data="{ foo: 'bar' }">...</div>`
**Structure:** `<div x-data="[object literal]">...</div>`
`x-data` declares a new component scope. It tells the framework to initialize a new component with the following data object.
Think of it like the `data` property of a Vue component.
**Extract Component Logic**
You can extract data (and behavior) into reusable functions:
```html
<div x-data="dropdown()">
<button x-on:click="open">Open</button>
<div x-show="isOpen()" x-on:click.away="close">
// Dropdown
</div>
</div>
<script>
function dropdown() {
return {
show: false,
open() { this.show = true },
close() { this.show = false },
isOpen() { return this.show === true },
}
}
</script>
```
> **For bundler users**, note that Alpine.js accesses functions that are in the global scope (`window`), you'll need to explicitly assign your functions to `window` in order to use them with `x-data` for example `window.dropdown = function () {}` (this is because with Webpack, Rollup, Parce
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docker-restart.bat 420B BaGet.Web.TagHelpers.output.cache 337KB BaGet.csproj.AssemblyReference.cache 217KB BaGet.csproj.AssemblyReference.cache 211KB BaGet.Web.csproj.AssemblyReference.cache 182KB BaGet.assets.cache 111KB BaGet.assets.cache 111KB BaGet.assets.cache 98KB BaGet.Gcp.csproj.AssemblyReference.cache 97KB BaGet.Protocol.Samples.Tests.csproj.AssemblyReference.cache 96KB BaGet.Web.csproj.AssemblyReference.cache 96KB BaGet.Database.Sqlite.csproj.AssemblyReference.cache 95KB BaGet.Database.MySql.csproj.AssemblyReference.cache 93KB BaGet.Aws.csproj.AssemblyReference.cache 92KB BaGet.Web.Tests.csproj.AssemblyReference.cache 92KB BaGet.Database.SqlServer.csproj.AssemblyReference.cache 92KB BaGet.Database.PostgreSql.csproj.AssemblyReference.cache 92KB BaGet.Tests.assets.cache 89KB BaGet.Tests.csproj.AssemblyReference.cache 84KB BaGet.Core.Tests.assets.cache 81KB BaGet.Core.Tests.assets.cache 81KB BaGet.Protocol.Samples.Tests.assets.cache 76KB BaGet.Protocol.Samples.Tests.assets.cache 76KB BaGet.Protocol.Tests.assets.cache 67KB BaGet.Protocol.Tests.assets.cache 67KB BaGet.Web.Tests.assets.cache 66KB BaGet.Azure.assets.cache 54KB BaGet.Azure.assets.cache 54KB BaGet.Database.SqlServer.assets.cache 50KB BaGet.Database.SqlServer.assets.cache 50KB BaGet.Web.assets.cache 41KB BaGet.Web.assets.cache 41KB BaGet.Web.assets.cache 41KB BaGet.csproj.AssemblyReference.cache 37KB BaGet.Database.Sqlite.assets.cache 35KB BaGet.Database.Sqlite.assets.cache 35KB BaGet.Gcp.assets.cache 35KB BaGet.Gcp.assets.cache 35KB BaGetWebApplication.csproj.AssemblyReference.cache 35KB BaGetWebApplication.assets.cache 34KB BaGetWebApplication.assets.cache 34KB project.nuget.cache 31KB BaGet.Aws.assets.cache 30KB BaGet.Aws.assets.cache 30KB BaGet.Database.PostgreSql.assets.cache 30KB BaGet.Database.PostgreSql.assets.cache 30KB BaGet.Aliyun.assets.cache 29KB BaGet.Aliyun.assets.cache 29KB BaGet.Core.assets.cache 29KB BaGet.Core.assets.cache 29KB BaGet.Database.MySql.assets.cache 22KB BaGet.Database.MySql.assets.cache 22KB project.nuget.cache 18KB project.nuget.cache 17KB project.nuget.cache 17KB project.nuget.cache 16KB project.nuget.cache 14KB project.nuget.cache 13KB project.nuget.cache 12KB BaGet.Protocol.Samples.Tests.csproj.AssemblyReference.cache 11KB project.nuget.cache 11KB project.nuget.cache 10KB project.nuget.cache 10KB project.nuget.cache 10KB project.nuget.cache 10KB project.nuget.cache 10KB BaGet.Core.Tests.csproj.AssemblyReference.cache 9KB BaGet.Azure.csproj.AssemblyReference.cache 9KB BaGet.Database.Sqlite.csproj.AssemblyReference.cache 7KB project.nuget.cache 6KB BaGet.Database.MySql.csproj.AssemblyReference.cache 6KB BaGet.Protocol.assets.cache 5KB BaGet.Protocol.assets.cache 5KB BaGet.Database.SqlServer.csproj.AssemblyReference.cache 5KB BaGet.Aliyun.csproj.AssemblyReference.cache 4KB BaGet.Database.PostgreSql.csproj.AssemblyReference.cache 3KB BaGet.Aws.csproj.AssemblyReference.cache 3KB BaGet.Azure.csproj.AssemblyReference.cache 3KB BaGet.Aliyun.csproj.AssemblyReference.cache 3KB project.nuget.cache 2KB BaGet.Core.csproj.AssemblyReference.cache 913B BaGet.Core.csproj.AssemblyReference.cache 826B BaGet.Protocol.csproj.AssemblyReference.cache 629B project.nuget.cache 622B project.nuget.cache 602B BaGet.Protocol.Tests.csproj.AssemblyReference.cache 571B BaGet.Protocol.csproj.AssemblyReference.cache 504B BaGet.Web.Tests.assets.cache 337B BaGet.Tests.assets.cache 329B BaGet.Protocol.Tests.AssemblyInfoInputs.cache 42B BaGet.Protocol.Tests.AssemblyInfoInputs.cache 42B BaGet.Web.Tests.AssemblyInfoInputs.cache 42B BaGet.Tests.AssemblyInfoInputs.cache 42B BaGet.Core.Tests.AssemblyInfoInputs.cache 42B BaGet.Core.Tests.AssemblyInfoInputs.cache 42B BaGet.Database.SqlServer.AssemblyInfoInputs.cache 42B BaGet.Database.SqlServer.csproj.CoreCompileInputs.cache 42B BaGet.Database.SqlServer.AssemblyInfoInputs.cache 42B BaGet.Database.SqlServer.csproj.CoreCompileInputs.cache 42B BaGet.Core.AssemblyInfoInputs.cache 42B共 4356 条
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