Definition
Web NFC defines NDEFReader
[SecureContext, Exposed=Window]
interface NDEFReader : EventTarget {
constructor();
attribute EventHandler onreading;
attribute EventHandler onreadingerror;
Promise<undefined> scan(optional NDEFScanOptions options={});
Promise<undefined> write(NDEFMessageSource message,
optional NDEFWriteOptions options={});
Promise<undefined> makeReadOnly(optional NDEFMakeReadOnlyOptions options={});
};