需要下载 Firefox 才能使用这些附加组件。

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附加组件图标

Page Ruler 的评价

Page Ruler 作者： Leonardo

4.3 / 5 星
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2 条评价
  • 来自 Firefox 用户 19521043， 7 个月前
    Doesn't work as intented with new HTML features likes dialog or popover. Also doesn't work with stopped debugger which kinda defeats the purpose for a webdeveloper.
  • 来自 Ollie-db， 4 年前
    Why I can not move the rectangle that I have created?