返回
true
if the extension's sidebar is open in a given window.
This function accepts a
windowId
as a parameter:
windowId
, the function will check the given browser window.
windowId
, the function will check the topmost browser window.
This is an asynchronous function that returns a
Promise
.
let gettingIsOpen = browser.sidebarAction.isOpen(
details
// object
)
details
对象
. An object optionally containing the
windowId
to check.
windowId
可选
integer
. ID of a browser window to check. If omitted defaults to
windows.WINDOW_ID_CURRENT
, which refers to the topmost browser window.
A
Promise
that will be fulfilled with
true
if the extension's sidebar is open in the given window, or
false
否则。
BCD tables only load in the browser
Check the topmost window:
browser.sidebarAction.isOpen({}).then(result => {
console.log(result);
});
Check all open windows:
async function checkWindow(windowId) {
let result = await browser.sidebarAction.isOpen({windowId});
console.log(`window: ${windowId} status: ${result}`);
}
browser.windows.getAll().then(all => {
for (let {id} of all) {
checkWindow(id);
}
});
最后修改： , 由 MDN 贡献者