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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
Basic supportChrome Full support YesEdge No support NoFirefox Full support 57
Notes
Full support 57
Notes
Notes This event is only fired when the user switches between sidebar panes, not when the user switches between devtools panels. See bug 1412317.
Opera Full support YesFirefox Android No support No

Legend

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

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,