jquery.cookie.js usage guide_jquery
jquery.cookie.js is a lightweight cookie plug-in that can read, write, and delete cookies.
Configuration of jquery.cookie.js
Include the jQuery library file first, and then include the jquery.cookie.js library file.
How to use
Add a new session cookie:
$.cookie('the_cookie', 'the_value');
Note: When the cookie validity period is not specified, the created cookie will be valid until the user closes the browser by default, so it is called a "session cookie". Create a cookie and set it to be valid for 7 days:
$.cookie('the_cookie', 'the_value', { expires: 7 });
Note: When the cookie validity period is specified, the cookie created is called a "persistent cookie". Create a cookie and set the valid path to the cookie:
$.cookie('the_cookie', 'the_value', { expires: 7, path: '/' });
Note: By default, only the webpage that sets the cookie can read the cookie. If you want a page to read the cookie set by another page, you must set the cookie path. The path to the cookie is used to set the top-level directory that can read the cookie. Setting this path to the root directory of the website allows all web pages to read each other's cookies (generally do not set this path to prevent conflicts). Read cookies:
$.cookie('the_cookie'); // cookie exists => 'the_value' $.cookie('not_existing'); // cookie does not exist => null
To delete a cookie, pass null as the cookie value: $.cookie('the_cookie', null);
Explanation of related parameters
expires: 365
Define the validity period of the cookie. The value can be a number (in days from the time the cookie is created) or a Date pair
elephant. If omitted, the cookie created is a session cookie and will be deleted when the user exits the browser.
path: '/'
Default: Only the webpage that sets the cookie can read the cookie.
Defines the valid path of the cookie. By default, the value of this parameter is the path to the web page where the cookie was created (standard browser behavior). If you want to access this cookie throughout the website, you need to set the effective path like this: path: '/'. If you want to delete a cookie that has a valid path defined, you need to include the path when calling the function: $.cookie('the_cookie', null,
{ path: '/' });.
domain: 'example.com'
Default value: The domain name owned by the webpage that created the cookie. secure: true
Default value: false. If true, cookie transmission requires the use of a secure protocol (HTTPS). raw: true Default value: false.
By default, reading and writing cookies are automatically encoded and decoded (using encodeURIComponent encoding,
decodeURIComponent decoding). To turn off this feature, set raw: true.
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