ProgressEvent: lengthComputable property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available inWeb Workers.
TheProgressEvent.lengthComputable read-only property is aboolean flag indicating if the resource concerned by theProgressEvent has a length that can be calculated. If not, theProgressEvent.total property has no significant value.
Value
A boolean.
Specifications
| Specification |
|---|
| XMLHttpRequest # dom-progressevent-lengthcomputable |
Browser compatibility
See also
- The
ProgressEventinterface it belongs to.