devtools.panels.ExtensionSidebarPane.onHidden

Called when the sidebar pane becomes hidden, as a result of the user switching away from it.

Syntax

browser.devtools.panels.onHidden.addListener(listener)
browser.devtools.panels.onHidden.removeListener(listener)
browser.devtools.panels.onHidden.hasListener(listener)

Events have three functions:

addListener(callback)
Adds a listener to this event.
removeListener(listener)
Stops listening to this event. The listener argument is the listener to remove.
hasListener(listener)
Checks whether listener is registered for this event. Returns true if it is listening, and false otherwise.

addListener syntax

Parameters

callback

Function called when this event occurs. This function will be passed no arguments.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes No571 No Yes

1. This event is only fired when the user switches between sidebar panes, not when the user switches between devtools panels. See bug 1412317.

Examples

Create a sidebar pane, and log show and hide events.

function onCreated(sidebarPane) {
 
  sidebarPane.onShown.addListener(() => {
    console.log("Shown");
  });

  sidebarPane.onHidden.addListener(() => {
    console.log("Hidden");
  });

}

browser.devtools.panels.elements.createSidebarPane("My pane").then(onCreated);

Acknowledgements

This API is based on Chromium's chrome.devtools.panels API.

Document Tags and Contributors

Contributors to this page: hellosct1, david_ross, wbamberg
Last updated by: hellosct1,