sidebarAction.isOpen()
Returns true if the extension's sidebar is open in a given window.
This function accepts a windowId as a parameter:
- If you supply
windowId, the function will check the given browser window. - If you omit
windowId, the function will check the topmost browser window.
This is an asynchronous function that returns a Promise.
Syntax
js
let gettingIsOpen = browser.sidebarAction.isOpen(
details // object
)
Parameters
details-
object. An object optionally containing thewindowIdto check.windowIdOptional-
integer. ID of a browser window to check. If omitted defaults towindows.WINDOW_ID_CURRENT, which refers to the topmost browser window.
Return value
A Promise that will be fulfilled with true if the extension's sidebar is open in the given window, or false otherwise.
Examples
Check the topmost window:
js
browser.sidebarAction.isOpen({}).then((result) => {
console.log(result);
});
Check all open windows:
js
async function checkWindow(windowId) {
const result = await browser.sidebarAction.isOpen({ windowId });
console.log(`window: ${windowId} status: ${result}`);
}
browser.windows.getAll().then((all) => {
for (const { id } of all) {
checkWindow(id);
}
});
Browser compatibility
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