Credit to devdocs.io

dom_events

dom_events

progress (Progress)

The progress event is fired to indicate that an operation is in progress.

General info

Specification
Progress
Interface
ProgressEvent
Bubbles
No
Cancelable
No
Target
Element
Default Action
None

Properties

Property Type Description
target Read only EventTarget The event target (the topmost target in the DOM tree).
type Read only DOMString The type of event.
bubbles Read only Boolean Whether the event normally bubbles or not.
cancelable Read only Boolean Whether the event is cancellable or not.
lengthComputable Read only Boolean Specifies whether or not the total size of the transfer is known. Read only.
loaded Read only unsigned long (long) The number of bytes transferred since the beginning of the operation. This doesn't include headers and other overhead, but only the content itself. Read only.
total Read only unsigned long (long) The total number of bytes of content that will be transferred during the operation. If the total size is unknown, this value is zero. Read only.

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/Events/progress