browserSettings.openBookmarksInNewTabs

A BrowserSetting object whose underlying value is a boolean.

If set to true, then when the user selects a bookmark, it will be opened in a new tab. If set to false (the default) bookmarks are opened in the current tab.

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Set the setting to true:

function logResult(result) {
  console.log(`Setting was modified: ${result}`);
}

browser.browserSettings.openBookmarksInNewTabs.set({value: true}).
  then(logResult);