InspectorWidget (IW) adds a toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements. Features include: Clicking the toolbar button will enable the next mouse click on any chrome or content element to open a DOMi window with it positioned on the parent element in the respective DOM tree.As of version 4.38, Holding both the Shift+Ctrl keys and cli
![InspectorWidget :: Add-ons for Firefox](https://cdn-ak-scissors.b.st-hatena.com/image/square/df42a87b13b74400141d001c52d4883886d4516d/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F159%2F159006.png%3Fmodified%3D1530207925)