onSelectionChanged

Fires when the user selects a different page element for inspection with the browser's developer tools, for example by selecting the "Inspect Element" context menu item in Firefox.

Syntax

js
browser.devtools.panels.elements.onSelectionChanged.addListener(listener)
browser.devtools.panels.elements.onSelectionChanged.removeListener(listener)
browser.devtools.panels.elements.onSelectionChanged.hasListener(listener)

Events have three functions:

addListener(listener)

Adds a listener to this event.

removeListener(listener)

Stop listening to this event. The listener argument is the listener to remove.

hasListener(listener)

Check whether listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

listener

The function called when this event occurs. The function is 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
onSelectionChanged

Legend

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

Full support
Full support
No support
No support

Examples

Listen for selection changed events, and log the text content of the newly selected element:

js
function handleSelectedElement() {
  browser.devtools.inspectedWindow.eval("$0.textContent").then((result) => {
    console.log(result[0]);
  });
}

browser.devtools.panels.elements.onSelectionChanged.addListener(
  handleSelectedElement,
);

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