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
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. Returnstrue
if it is listening,false
otherwise.
addListener syntax
Parameters
callback
-
Function that will be called when this event occurs. The function will be passed no arguments.
Browser compatibility
BCD tables only load in the browser
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Examples
Listen for selection changed events, and log the text content of the newly selected element:
function handleSelectedElement() {
browser.devtools.inspectedWindow.eval("$0.textContent")
.then((result) => {
console.log(result[0]);
});
}
browser.devtools.panels.elements.onSelectionChanged.addListener(handleSelectedElement);
Acknowledgements
This API is based on Chromium's chrome.devtools
API.