contextualIdentities.query() 编辑

Gets information about all contextual identities, or about those contextual identities that match a given filter argument.

This is an asynchronous function that returns a Promise.

Syntax

var getContext = browser.contextualIdentities.query(
  details                  // object
)

Parameters

details

object. An object that can be used to filter the contextual identities returned. This may contain any of the following properties:

name Optional

string. Return only contextual identities with this name.

Return value

A Promise that will be fulfilled with an array of ContextualIdentity objects, each describing a single identity. If the contextual identities feature is not enabled, the promise is rejected.

Browser compatibility

BCD tables only load in the browser

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Examples

Retrieve all contextual identities, and log their names:

function onGot(contexts) {
  for (let context of contexts) {
    console.log(`Name: ${context.name}`);
  }
}

function onError(e) {
  console.error(e);
}

browser.contextualIdentities.query({}).then(onGot, onError);

Retrieve all contextual identities whose names are "my-thing", and log their names:

function onGot(contexts) {
  for (let context of contexts) {
    console.log(`Name: ${context.name}`);
  }
}

function onError(e) {
  console.error(e);
}

browser.contextualIdentities.query({
  name: "my-thing"
}).then(onGot, onError);

Example extensions

• contextual-identities