ProgressEvent.lengthComputable

The ProgressEvent.lengthComputable read-only property is a boolean flag indicating if the resource concerned by the ProgressEvent has a length that can be calculated. If not, the ProgressEvent.total property has no significant value.

Value

A boolean.

Specifications

Specification
XMLHttpRequest Standard
# dom-progressevent-lengthcomputable

Browser compatibility

BCD tables only load in the browser

See also