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.
js
new NDEFMessage(records)
recordsAn array of objects with the following members:
data Optional
Contains the data to be transmitted; one of a string, n 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.
recordTypeA 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.
| Specification |
|---|
| Web NFC API # dom-ndefmessage-constructor |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
NDEFMessage |
No | No | No | No | No | No | 89 | 89 | No | 63 | No | 15.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/NDEFMessage/NDEFMessage