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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.

Syntax

flag = ProgressEvent.lengthComputable

Specifications

Specification Status Comment
Progress Events
The definition of 'ProgressEvent.lengthComputable' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support Not supported 3.5 (1.9.1) Not supported Not supported Not supported
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support Not supported 1.0 (1.9.1) Not supported Not supported Not supported

See also

Document Tags and Contributors

 Contributors to this page: fscholz, Reachmeatshivam, teoli
 Last updated by: fscholz,