Metadata: size property
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.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The read-only size property of
the Metadata interface specifies the size, in bytes, of the referenced
file or other file system object on disk.
Value
A number indicating the size of the file in bytes.
Examples
This example checks the size of a log file and removes it if it's larger than a megabyte.
workingDirectory.getFile(
"log/important.log",
{},
(fileEntry) => {
fileEntry.getMetadata((metadata) => {
if (metadata.size > 1048576) {
fileEntry.remove(() => {
/* log file removed; do something clever here */
});
}
});
},
handleError,
);
Specifications
This feature has been removed from all specification and is not in the process of being standardized.
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
size | ||||||||||||