devtools.panels.ExtensionSidebarPane.onHidden

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

Syntax

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

Events have three functions:

addListener(listener)

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

listener

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

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
onHidden

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
See implementation notes.

Examples

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

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

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

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

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