This interface represents a progress event object that notifies the application about progress as a document is parsed. It extends the Event interface defined in [DOM Level 3 Events ] .
The units used for the attributes position and totalSize are not specified and can be implementation and input dependent.
The current position in the input source, including all external entities and other resources that have been read.
method:getTotalSize() [NONE]
getTotalSize
int getTotalSize()
The total size of the document including all external resources, this number might change as a document is being parsed if references to more external resources are seen. A value of 0 is returned if the total size cannot be determined or estimated.