HTML DOM cookie attribute

cookieAttribute retrieval and setting related to the current document's Cookie.

Syntax:

Return cookie properties:

document.cookie

Set cookie properties:

document.cookie = newCookie

Example

var x = document.cookie;

You can find more information in ourJavaScript Cookies TutorialLearn more about cookies.

All browsers fully support the following cookie attributes:

Attribute
cookie	is	is	is	is	is

Value	Description
newCookie	newCookieis a string in the form ofkey=value. Please note that you can only set/Update a cookie. Any cookie attribute value can be selected to update a cookie.key-valueAfter/Update the cookie and add a semicolon separator in front of it: expires = date-(Optional) Specify the date in GMT format. If not specified, the cookie will be deleted when the browser is closed. (SeeDate.toUTCString()(Method) path = path-(Optional) Instruct the browser of the path to the directory where the cookie belongs. The path must be absolute. If not specified, it defaults to the current path of the current document location. domain = domain-(Optional) Specify the domain of the site (e.g., "example.com"). If not specified, it defaults to the host part of the current document location. Secure -(Optional) Instruct the browser to send cookies to the server using a secure protocol (https). Example of creating a cookie: document.cookie="username=Seagull; expires=Thu,　27　Dec　2018　12:00:00 UTC; path=/"; Note: The cookie value string can be usedencodeURIComponent()to ensure that the string does not contain any commas, semicolons, or spaces (commas, semicolons, or spaces are not allowed in cookie values).

Return value:	a string containing the “ key=value ” cookie for
DOM Version:	DOM 2Level

Set Cookie:

Example

document.cookie = "name=Seagull";
document.cookie = "favorite_food=Polluted Air";