downloads.onErased
The onErased() event of the downloads API fires when a download is erased from the browser history.
The listener is passed the downloadId of the downloads.DownloadItem object in question as a parameter.
Syntax
browser.downloads.onErased.addListener(listener) browser.downloads.onErased.removeListener(listener) browser.downloads.onErased.hasListener(listener)
Events have three functions:
addListener(callback)- Adds a listener to this event.
removeListener(listener)- Stop listening to this event. The
listenerargument is the listener to remove. hasListener(listener)- Check whether a given
listeneris registered for this event. Returnstrueif it is listening,falseotherwise.
addListener syntax
Parameters
callback-
A callback function that will be called when this event occurs. This function will be passed the following arguments:
downloadId- An
integerrepresenting theidof thedownloads.DownloadItemthat was erased.
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
onErased |
Yes |
79 |
48 |
? |
Yes |
No |
? |
? |
48-79 |
? |
? |
? |
Examples
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"] });
Note: 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.
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/downloads/onErased