downloads.DoubleDelta

The DoubleDelta type of the downloads API represents the difference between two doubles.

Type

Values of this type are objects. They contain the following properties:

current Optional

A number representing the current double value.

previous Optional

A number representing the previous double value.

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
DoubleDelta
Chrome – No support
Chrome 22 – 33 (Release date: 2012-09-25)
altname
altname Alternate name: LongDelta
Chrome – Full support
Chrome 34 (Release date: 2014-04-08)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 47 (Release date: 2016-06-07)
footnote Full support
Opera – No support
Opera 15 – 20 (Release date: 2013-07-02)
altname
altname Alternate name: LongDelta
Opera – Full support
Opera 21 (Release date: 2014-05-06)
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
Uses a non-standard name
Has more compatibility info.

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