Add-ons

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 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 otherwise.

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 integer representing the id of the downloads.DownloadItem that was erased.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic supportYesNo4848Yes

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"]
});

Acknowledgements

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.

Document Tags and Contributors

 Contributors to this page: wbamberg, Makyen, chrisdavidmills
 Last updated by: wbamberg,