devtools.panels.ExtensionSidebarPane
The ExtensionSidebarPane object represents a pane that an extension has added to the sidebar in the browser’s HTML/CSS inspector.

To create an ExtensionSidebarPane, call the browser.devtools.panels.elements.createSidebarPane() function.
Functions
devtools.panels.ExtensionSidebarPane.setExpression()- : Evaluate a JavaScript expression in the web page that the inspector is inspecting. The result is displayed in the sidebar pane.
devtools.panels.ExtensionSidebarPane.setObject()- : Sets a JSON object that will be displayed in the sidebar pane.
devtools.panels.ExtensionSidebarPane.setPage()- : Loads the page pointed to by the supplied URL.
Events
devtools.panels.ExtensionSidebarPane.onShown- : Fired when the sidebar pane is shown.
devtools.panels.ExtensionSidebarPane.onHidden- : Fired when the sidebar pane is hidden.
{{WebExtExamples("h2")}}
Browser compatibility
{{Compat}}
[!NOTE] This API is based on Chromium’s
chrome.devtools.panelsAPI.