NDEFRecord
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The NDEFRecord interface of the Web NFC API provides data that can be read from, or written to, compatible NFC devices, e.g., NFC tags supporting NDEF.
Constructor
NDEFRecord()Experimental-
Returns a new
NDEFRecord.
Instance properties
NDEFRecord.recordTypeExperimental Read only-
Returns the record type of the record. Records must have either a standardized well-known type name such as
"empty","text","url","smart-poster","absolute-url","mime", or"unknown"or else an external type name, which consists of a domain name and custom type name separated by a colon (":"). NDEFRecord.mediaTypeExperimental Read only-
Returns the MIME type of the record. This value will be
nullifrecordTypeis not equal to"mime". NDEFRecord.idExperimental Read only-
Returns the record identifier, which is an absolute or relative URL used to identify the record.
Note: The uniqueness of the identifier is enforced only by the generator of the record.
NDEFRecord.dataExperimental Read only-
Returns a
DataViewcontaining the raw bytes of the record's payload. NDEFRecord.encodingExperimental Read only-
Returns the encoding of a textual payload, or
nullotherwise. NDEFRecord.langExperimental Read only-
Returns the language of a textual payload, or
nullif one was not supplied.
Instance methods
NDEFRecord.toRecords()Experimental-
Converts
NDEFRecord.datato a sequence of records. This allows parsing the payloads of record types which may contain nested records, such as smart poster and external type records.
Specifications
| Specification |
|---|
| Web NFC # dom-ndefrecord |
Browser compatibility
Loading…