downloads.onCreated

The onCreated() event of the downloads API fires when a download begins, i.e., when downloads.download() is successfully invoked.

The listener is passed the downloads.DownloadItem object in question as a parameter.

Syntax

js
browser.downloads.onCreated.addListener(listener)
browser.downloads.onCreated.removeListener(listener)
browser.downloads.onCreated.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)

Check whether a given listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

function

The function called when this event occurs. This function is passed this argument:

downloadItem

The downloads.DownloadItem object in question.

Examples

Log the URL of items as they are downloaded:

js
function handleCreated(item) {
  console.log(item.url);
}

browser.downloads.onCreated.addListener(handleCreated);

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
onCreated
Chrome – Full support
Chrome 22 (Release date: 2012-09-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 48 (Release date: 2016-08-02)
footnote Full support
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – No support
Safari
footnote No support
Firefox for Android – No support
Firefox for Android 48 – 68 (Release date: 2016-08-02)
footnote Removed in 79 and later
Safari on iOS – No support
Safari on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

Note: This API is based on Chromium's chrome.downloads API.