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 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.


A number.


XMLHttpRequest Standard
# dom-progressevent-loaded

Browser compatibility

BCD tables only load in the browser

See also