On Windows, when it becomes supported, it will flash the Taskbar icon until it is selected. Here's a code example

在Windows 上，在得到支持的时候，会闪动任务栏图标，直到该图标被选中。

youdao

Just drag the icon from the address bar down to the taskbar icon to pin it to the top of the Jump list-now you can get to those websites in a flash, whether Firefox is open at the moment or not.

只要将图标从地址栏拖到任务栏并将它定在跳转列表的顶部。现在您瞬间就可以访问这些网站，无论Firefox当时开启与否。

youdao

Just drag the icon from the address bar down to the taskbar icon to pin it to the top of the Jump list-now you can get to those websites in a flash, whether Firefox is open at the moment or not.

只要将图标从地址栏拖到任务栏并将它定在跳转列表的顶部。现在您瞬间就可以访问这些网站，无论Firefox当时开启与否。

youdao