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web api instance property

ProgressEvent: lengthComputable property

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Available in workers

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 total property has no significant value.

Value

A boolean.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also