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. Returnstrue
if it is listening, andfalse
otherwise.
addListener syntax
Parameters
listener
-
Function called when this event occurs. This function will be passed no arguments.
Browser compatibility
BCD tables only load in the browser
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.