runtime.openOptionsPage()

なし。

オプションページの作成が成功した時は、引数のない Promise で、操作が失敗した場合はエラーメッセージつきの rejected が返ります。

ユーザーがブラウザーアクションのアイコンをクリックした時にオプションページを返します:

function onOpened() {
  console.log(`Options page opened`);
}

function onError(error) {
  console.log(`Error: ${error}`);
}

var opening = browser.runtime.openOptionsPage();
opening.then(onOpened, onError);

• favourite-colour

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