Baseline 2023
Newly available
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The getFile() method of the FileSystemFileHandle interface returns a Promise which resolves to a File object representing the state on disk of the entry represented by the handle.
If the file on disk changes or is removed after this method is called, the returned File object will likely be no longer readable.
None.
Return valueA Promise which resolves to a File object.
NotAllowedError DOMException
Thrown if the PermissionStatus.state is not granted in read mode.
NotFoundError DOMException
Thrown if current entry is not found.
The following asynchronous function presents a file picker and once a file is chosen, uses the getFile() method to retrieve the contents.
async function getTheFile() {
// open file picker
const [fileHandle] = await window.showOpenFilePicker(pickerOpts);
// get file contents
const fileData = await fileHandle.getFile();
}
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