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.
browser.devtools.panels.elements.onSelectionChanged.addListener(listener)
浏览器
.
devtools
.
panels
.
元素
.
onSelectionChanged
.
removeListener
(
listener
)
浏览器
.
devtools
.
panels
.
元素
.
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)
校验是否
listener
is registered for this event. Returns
true
if it is listening,
false
否则。
callback
Function that will be called when this event occurs. The function will be passed no arguments.
BCD tables only load in the browser
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);
注意：
This API is based on Chromium's
chrome.devtools
API。
最后修改： , 由 MDN 贡献者