NDEFMessage: NDEFMessage() constructor

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 NDEFMessage() constructor creates a new NDEFMessage object, initialized with the given NDEF records.

Syntax

js
new NDEFMessage(records)

Parameters

records

An array of objects with the following members:

data Optional

Contains the data to be transmitted; one of a string, an ArrayBuffer, a TypedArray, a DataView, or an array of nested records.

encoding Optional

A string specifying the record's encoding.

id Optional

A developer-defined identifier for the record.

lang Optional

A valid language tag according to RFC 5646: Tags for Identifying Languages (also known as BCP 47).

mediaType Optional

A valid MIME type.

recordType

A string indicating the type of data stored in data. It must be one of the following values:

"absolute-url"

An absolute URL to the data.

"empty"

An empty NDEFRecord.

"mime"

A valid MIME type.

"smart-poster"

A smart poster as defined by the NDEF-SMARTPOSTER specification.

"text"

Text as defined by the NDEF-TEXT specification.

"unknown"

The record type is not known.

"URL"

A URL as defined by the NDEF-URI specification.

Specifications

Specification
Web NFC API
# dom-ndefmessage-constructor

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
NDEFMessage() constructor
Experimental