Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Obsolete since Gecko 7.0 (Firefox 7.0 / Thunderbird 7.0 / SeaMonkey 2.4)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

Summary

Returns the size of a file in bytes.

This property is deprecated. Use Blob.size instead.

Syntax

var size = instanceOfFile.fileSize

Value

A number

Specification

Not part of any specification.

See also

Document Tags and Contributors

 Contributors to this page: Jedipedia, teoli, Jeremie, iamanupmenon, Sheppy, ethertank, Crash
 Last updated by: Jedipedia,