The progress event is fired when the user agent is downloading resources listed by the manifest.
| Property | Type | Description |
target |
EventTarget (DOM element) | The event target (the topmost target in the DOM tree). Read Only. |
type |
string | The type of event. Read only. |
canBubble |
boolean | Does the event normally bubble? Read only. |
cancelable |
boolean | Is it possible to cancel the event? Read only. |
lengthComputable |
boolean | Specifies whether or not the total size of the transfer is known. Read only. |
loaded |
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 |
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. |