ProgressEvent: loaded property

The ProgressEvent.loaded read-only property is an integer representing 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 value is specified in bytes (not bits), and only represents the part of the content itself, not headers and other overhead.

Value

A number.

Specifications

Specification
XMLHttpRequest Standard
# dom-progressevent-loaded

Browser compatibility

BCD tables only load in the browser

See also