onErased()
event of the
downloads
API fires when a download is erased from the browser history.
The listener is passed the
downloadId
的
downloads.DownloadItem
object in question as a parameter.
browser.downloads.onErased.addListener(listener)
浏览器
.
downloads
.
onErased
.
removeListener
(
listener
)
浏览器
.
downloads
.
onErased
.
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)
Check whether a given
listener
is registered for this event. Returns
true
if it is listening,
false
否则。
callback
A callback function that will be called when this event occurs. This function will be passed the following arguments:
downloadId
An
integer
表示
id
的
downloads.DownloadItem
that was erased.
BCD tables only load in the browser
Add a listener for
onErased
events, then erase the most recent download:
function handleErased(item) {
console.log(`Erased: ${item}`);
}
browser.downloads.onErased.addListener(handleErased);
var erasing = browser.downloads.erase({
limit: 1,
orderBy: ["-startTime"]
});
注意：
This API is based on Chromium's
chrome.downloads
API。
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
最后修改： , 由 MDN 贡献者