browserAction.isEnabled()

Returns true if the browser action is enabled.

This is an asynchronous function that returns a Promise.

details

object. An object optionally containing the tabId or windowId to check.

tabId Optional

integer. ID of a tab to check.

windowId Optional

integer. ID of a window to check.

• If windowId and tabId are both supplied, the function fails.
• If windowId and tabId are both omitted, the global enabled/disabled status is returned.

A Promise that will be fulfilled with true if the extension's browser action is enabled, and false otherwise.

Check the global state:

browser.browserAction.isEnabled({}).then(result => {
  console.log(result);
});

Check the state of the currently active tab:

async function enabledInActiveTab() {
  let tabs = await browser.tabs.query({
    currentWindow:true,
    active: true
  });
  let enabled = await browser.browserAction.isEnabled({
    tabId: tabs[0].id
  });
  console.log(enabled);
}