Metadata
Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
TheMetadata interface contains information about a file system entry. This metadata includes the file's size and modification date and time.
Note:This interface isn't available through the global scope; instead, you obtain aMetadata object describing aFileSystemEntry using the methodFileSystemEntry.getMetadata().
Instance properties
modificationTimeRead onlyExperimentalNon-standardA
Dateobject indicating the date and time the entry was modified.sizeRead onlyExperimentalNon-standardA 64-bit unsigned integer indicating the size of the entry in bytes.
Specifications
This feature has been removed from all specification and is not in the process of being standardized.