This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
ProgressEvent.initProgressEvent() method Initializes
an animation event created using the deprecated
ProgressEvent created that way are untrusted.
Progress.initProgressEvent(typeArg, canBubbleArg, cancelableArg, lengthComputable, loaded, total);
- Is a
DOMStringidentifying the specific type of animation event that occurred. The following values are allowed:
The operation has started.
The operation still is in progress.
The operation failed and didn't complete.
The operation was cancelled and didn't complete.
The operation completed.
The operation stopped.
- Is a boolean flag indicating if the event can bubble
true) or not (
- Is a boolean flag indicating if the event associated action can be
true) or not (
- Is a boolean flag indicating if the total work to be done, and the amount of work already done, by the underlying process is calculable. In other words, it tells if the progress is measurable or not.
- Is an
unsigned long longrepresenting the amount of work already performed by the underlying process. The ratio of work done can be calculated with the property and
ProgressEvent.total. When downloading a resource using HTTP, this only represent the part of the content itself, not headers and other overhead.
- Is an
unsigned long longrepresenting the total amount of work that the underlying process is in the progress of performing. When downloading a resource using HTTP, this only represent the content itself, not headers and other overhead.
This feature does not exist in any specifications.
BCD tables only load in the browser
ProgressEventinterface it belongs to.