cookies.get()

get() 方法在 Cookie API retrieves information about a single cookie, given its name and URL.

If more than one cookie with the same name exists for a given URL, the one with the longest path will be returned. For cookies with the same path length, the cookie with the earliest creation time will be returned. If no matching cookie could be found, null 被返回。

This is an asynchronous function that returns a Promise .

句法

var getting = browser.cookies.get(
details

// object


)


					

参数

details

An 对象 containing details that can be used to match a cookie to be retrieved. It can include the following properties:

firstPartyDomain 可选

A string representing the first-party domain with which the cookie to retrieve is associated. This property must be supplied if the browser has first-party isolation enabled. See First-party isolation .

名称

A string representing the name of the cookie to retrieve.

partitionKey 可选

An 对象 表示 storage partition containing the cookie. Include this object with topLevelSite to obtain a cookie from partitioned storage. Otherwise, returns the cookie from unpartitioned storage. This object contains:

topLevelSite 可选

A string representing the first-party URL of the top-level site storage partition containing the cookie.

storeId 可选

A string representing the ID of the cookie store in which to look for the cookie (as returned by cookies.getAllCookieStores() ). By default, the current execution context's cookie store will be used.

url

A string representing the URL with which the cookie to retrieve is associated. This argument may be a full URL, in which case any data following the URL path (e.g. the query string) is ignored. If host permissions for this URL are not specified in the extension's manifest file , the API call will fail.

返回值

A Promise that will be fulfilled with a  Cookie object containing details about the cookie, or null if the cookie was not found.

浏览器兼容性

BCD tables only load in the browser

范例

This example tries to get the cookie named "favorite-color", associated with the URL for the currently active tab:

function logCookie(cookie) {
  if (cookie) {
    console.log(cookie.value);
  }
}
function getCookie(tabs) {
  var getting = browser.cookies.get({
    url: tabs[0].url,
    name: "favorite-color"
  });
  getting.then(logCookie);
}
var getActive = browser.tabs.query({
  active: true,
  currentWindow: true
});
getActive.then(getCookie);

						

Example extensions

注意: This API is based on Chromium's chrome.cookies API. This documentation is derived from cookies.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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