Fired when the set of highlighted tabs in a window changes.
Note that before version 63, Firefox didn't have the concept of highlighting multiple tabs, so this event was just an alias for
tabs.onActivated
.
browser.tabs.onHighlighted.addListener(listener)
浏览器
.
tabs
.
onHighlighted
.
removeListener
(
listener
)
浏览器
.
tabs
.
onHighlighted
.
hasListener
(
listener
)
Events have three functions:
addListener(callback)
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 the following arguments:
highlightInfo
对象
. ID(s) of the highlighted tabs, and ID of their window.
windowId
integer
. ID of the window whose tabs changed.
tabIds
array
of
integer
. IDs of the highlighted tabs in the window.
Listen for highlighting events, and log the IDs of highlighted tabs:
function handleHighlighted(highlightInfo) {
console.log("Highlighted tabs: " + highlightInfo.tabIds);
}
browser.tabs.onHighlighted.addListener(handleHighlighted);
BCD tables only load in the browser
注意：
This API is based on Chromium's
chrome.tabs
API. This documentation is derived from
tabs.json
in the Chromium code.
最后修改： , 由 MDN 贡献者