web api instance method
FileSystemDirectoryHandle: keys() method
Secure contextAvailable in workers
The keys() method of the
FileSystemDirectoryHandle interface returns a new asynchronous iterator
for the iteration of the key of the entries within the FileSystemDirectoryHandle
on which this method is called.
Syntax
keys()
Parameters
None.
Return value
A new asynchronous iterator containing the keys of each entry within the FileSystemDirectoryHandle.
Exceptions
NotAllowedErrorDOMException- : Thrown if the
statefor the handle is not'granted'inreadmode.
- : Thrown if the
NotFoundErrorDOMException- : Thrown if the current entry is not found.
Examples
Use the for await...of loop can simplify the iteration process.
const dirHandle = await window.showDirectoryPicker();
for await (const key of dirHandle.keys()) {
console.log(key);
}
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.