ProgressEvent.lengthComputable - Web APIs 编辑
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 |
|---|---|---|
| XMLHttpRequest The definition of 'ProgressEvent.lengthComputable' in that specification. | Living Standard |
Browser compatibility
BCD tables only load in the browser
See also
- The
ProgressEventinterface it belongs to.
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