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
.
var getContext = browser.contextualIdentities.query(
details
// object
)
details
对象
. An object that can be used to filter the contextual identities returned. This may contain any of the following properties:
名称
可选
string
. Return only contextual identities with this name.
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.
BCD tables only load in the browser
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);
最后修改： , 由 MDN 贡献者