NDEFMessage: NDEFMessage() constructor

{{SecureContext_Header}}{{APIRef("Web NFC API")}}{{SeeCompatTable}}

The NDEFMessage() constructor creates a new {{domxref("NDEFMessage")}} object, initialized with the given NDEF records.

Syntax

new NDEFMessage(records)

Parameters

• records
  • : An array of objects with the following members:
    • data {{optional_inline}}
      • : Contains the data to be transmitted; one of a string, an {{jsxref("ArrayBuffer")}}, a {{jsxref("TypedArray")}}, a {{jsxref("DataView")}}, or an array of nested records.
    • encoding {{optional_inline}}
      • : A string specifying the record's encoding.
    • id {{optional_inline}}
      • : A developer-defined identifier for the record.
    • lang {{optional_inline}}
      • : A valid {{glossary("BCP 47 language tag")}}.
    • mediaType {{optional_inline}}
      • : 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 {{domxref("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

{{Specifications}}

Browser compatibility

{{Compat}}