<p align="center">
<img src="https://cloud.githubusercontent.com/assets/835857/14581711/ba623018-0436-11e6-8fce-d2ccd4d379c9.gif">
</p>
# JavaScript Cookie [![Build Status](https://travis-ci.com/js-cookie/js-cookie.svg?branch=master)](https://travis-ci.com/js-cookie/js-cookie) [![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=b3VDaHAxVDg0NDdCRmtUOWg0SlQzK2NsRVhWTjlDQS9qdGJoak1GMzJiVT0tLVhwZHNvdGRoY284YVRrRnI3eU1JTnc9PQ==--5e88ffb3ca116001d7ef2cfb97a4128ac31174c2)](https://www.browserstack.com/automate/public-build/b3VDaHAxVDg0NDdCRmtUOWg0SlQzK2NsRVhWTjlDQS9qdGJoak1GMzJiVT0tLVhwZHNvdGRoY284YVRrRnI3eU1JTnc9PQ==--5e88ffb3ca116001d7ef2cfb97a4128ac31174c2) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com) [![Code Climate](https://codeclimate.com/github/js-cookie/js-cookie.svg)](https://codeclimate.com/github/js-cookie/js-cookie) [![npm](https://img.shields.io/github/package-json/v/js-cookie/js-cookie)](https://www.npmjs.com/package/js-cookie) [![size](https://img.shields.io/bundlephobia/minzip/js-cookie/3)](https://www.npmjs.com/package/js-cookie) [![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/js-cookie/badge?style=rounded)](https://www.jsdelivr.com/package/npm/js-cookie)
A simple, lightweight JavaScript API for handling cookies
- Works in [all](https://www.browserstack.com/automate/public-build/b3VDaHAxVDg0NDdCRmtUOWg0SlQzK2NsRVhWTjlDQS9qdGJoak1GMzJiVT0tLVhwZHNvdGRoY284YVRrRnI3eU1JTnc9PQ==--5e88ffb3ca116001d7ef2cfb97a4128ac31174c2) browsers
- Accepts [any](#encoding) character
- [Heavily](test) tested
- No dependency
- Supports ES modules
- Supports AMD/CommonJS
- [RFC 6265](https://tools.ietf.org/html/rfc6265) compliant
- Useful [Wiki](https://github.com/js-cookie/js-cookie/wiki)
- Enable [custom encoding/decoding](#converters)
- **< 800 bytes** gzipped!
**ðð If you're viewing this at https://github.com/js-cookie/js-cookie, you're reading the documentation for the master branch.
[View documentation for the latest release.](https://github.com/js-cookie/js-cookie/tree/latest#readme) ðð**
## Installation
### NPM
JavaScript Cookie supports [npm](https://www.npmjs.com/package/js-cookie) under the name `js-cookie`.
```
$ npm i js-cookie
```
The npm package has a `module` field pointing to an ES module variant of the library, mainly to provide support for ES module aware bundlers, whereas its `browser` field points to an UMD module for full backward compatibility.
### Direct download
Starting with version 3 [releases](https://github.com/js-cookie/js-cookie/releases) are distributed with two variants of this library, an ES module as well as an UMD module.
Note the different extensions: `.mjs` denotes the ES module, whereas `.js` is the UMD one.
Example for how to load the ES module in a browser:
```html
<script type="module" src="/path/to/js.cookie.mjs"></script>
<script type="module">
import Cookies from '/path/to/js.cookie.mjs'
Cookies.set('foo', 'bar')
</script>
```
_Not all browsers support ES modules natively yet_. For this reason the npm package/release provides both the ES and UMD module variant and you may want to include the ES module along with the UMD fallback to account for this:
```html
<script type="module" src="/path/to/js.cookie.mjs"></script>
<script nomodule defer src="/path/to/js.cookie.js"></script>
```
Here we're loading the nomodule script in a deferred fashion, because ES modules are deferred by default. This may not be strictly necessary depending on how you're using the library.
### CDN
Alternatively, include it via [jsDelivr CDN](https://www.jsdelivr.com/package/npm/js-cookie).
## ES Module
Example for how to import the ES module from another module:
```javascript
import Cookies from 'js-cookie'
Cookies.set('foo', 'bar')
```
## Basic Usage
Create a cookie, valid across the entire site:
```javascript
Cookies.set('name', 'value')
```
Create a cookie that expires 7 days from now, valid across the entire site:
```javascript
Cookies.set('name', 'value', { expires: 7 })
```
Create an expiring cookie, valid to the path of the current page:
```javascript
Cookies.set('name', 'value', { expires: 7, path: '' })
```
Read cookie:
```javascript
Cookies.get('name') // => 'value'
Cookies.get('nothing') // => undefined
```
Read all visible cookies:
```javascript
Cookies.get() // => { name: 'value' }
```
_Note: It is not possible to read a particular cookie by passing one of the cookie attributes (which may or may not
have been used when writing the cookie in question):_
```javascript
Cookies.get('foo', { domain: 'sub.example.com' }) // `domain` won't have any effect...!
```
The cookie with the name `foo` will only be available on `.get()` if it's visible from where the
code is called; the domain and/or path attribute will not have an effect when reading.
Delete cookie:
```javascript
Cookies.remove('name')
```
Delete a cookie valid to the path of the current page:
```javascript
Cookies.set('name', 'value', { path: '' })
Cookies.remove('name') // fail!
Cookies.remove('name', { path: '' }) // removed!
```
_IMPORTANT! When deleting a cookie and you're not relying on the [default attributes](#cookie-attributes), you must pass the exact same path and domain attributes that were used to set the cookie:_
```javascript
Cookies.remove('name', { path: '', domain: '.yourdomain.com' })
```
_Note: Removing a nonexistent cookie neither raises any exception nor returns any value._
## Namespace conflicts
If there is any danger of a conflict with the namespace `Cookies`, the `noConflict` method will allow you to define a new namespace and preserve the original one. This is especially useful when running the script on third party sites e.g. as part of a widget or SDK.
```javascript
// Assign the js-cookie api to a different variable and restore the original "window.Cookies"
var Cookies2 = Cookies.noConflict()
Cookies2.set('name', 'value')
```
_Note: The `.noConflict` method is not necessary when using AMD or CommonJS, thus it is not exposed in those environments._
## Encoding
This project is [RFC 6265](http://tools.ietf.org/html/rfc6265#section-4.1.1) compliant. All special characters that are not allowed in the cookie-name or cookie-value are encoded with each one's UTF-8 Hex equivalent using [percent-encoding](http://en.wikipedia.org/wiki/Percent-encoding).
The only character in cookie-name or cookie-value that is allowed and still encoded is the percent `%` character, it is escaped in order to interpret percent input as literal.
Please note that the default encoding/decoding strategy is meant to be interoperable [only between cookies that are read/written by js-cookie](https://github.com/js-cookie/js-cookie/pull/200#discussion_r63270778). To override the default encoding/decoding strategy you need to use a [converter](#converters).
_Note: According to [RFC 6265](https://tools.ietf.org/html/rfc6265#section-6.1), your cookies may get deleted if they are too big or there are too many cookies in the same domain, [more details here](https://github.com/js-cookie/js-cookie/wiki/Frequently-Asked-Questions#why-are-my-cookies-being-deleted)._
## Cookie Attributes
Cookie attribute defaults can be set globally by creating an instance of the api via `withAttributes()`, or individually for each call to `Cookies.set(...)` by passing a plain object as the last argument. Per-call attributes override the default attributes.
### expires
Define when the cookie will be removed. Value must be a [`Number`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number) which will be interpreted as days from time of creation or a [`Date`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) instance. If omitted, the cookie becomes a session cookie.
To create a cookie that expires in less than a day, you can check the [FAQ on the Wiki](https://gi
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