A Comprehensive Guide to Managing Cookies with js-cookie A Must-Have for Web Developers

Introduction to js-cookie

Managing cookies in JavaScript can be cumbersome and error-prone. With js-cookie, you can simplify this task with a lightweight and easy-to-use API. This library, developed by Fagner Brack, provides a straightforward way to create, read, and delete cookies in your web applications.

Getting Started with js-cookie

First, you need to include the js-cookie library in your project. You can install it via npm:

  npm install js-cookie

Or include it directly from a CDN:

  

Creating Cookies

Creating a cookie with js-cookie is simple:

  Cookies.set('name', 'value');

You can also set additional options, such as expires and path:

  Cookies.set('name', 'value', { expires: 7, path: '' });

Reading Cookies

Reading cookies is just as straightforward:

  var value = Cookies.get('name');
  console.log(value);

If the cookie does not exist, it will return undefined.

Reading All Cookies

To get all available cookies:

  var allCookies = Cookies.get();
  console.log(allCookies);

Deleting Cookies

Deleting a cookie requires specifying its name and associated path:

  Cookies.remove('name');

To delete a cookie with additional options:

  Cookies.remove('name', { path: '' });

JSON Cookies

You can also store and retrieve JSON objects:

  Cookies.set('user', { name: 'John', age: 25 });
  var user = Cookies.getJSON('user');
  console.log(user);

API Example

Let’s use the above methods in a simple web application:

  
  
    
      
      
      js-cookie Example
      
    
    
      
    
  

With js-cookie, managing cookies in your web applications becomes a breeze!


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