NDEFReadingEvent.NDEFReadingEvent()
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The NDEFReadingEvent() constructor creates a new NDEFReadingEvent object which represents events dispatched on new NFC readings obtained by NDEFReader.
Syntax
new NDEFReadingEvent(type, options);
Parameters
type-
Will always be
'type'. options-
An object with the following members:
serialNumber-
The serial number of the device a message was read from.
message-
An array of objects with the following members:
-
dataOptional -
Contains the data to be transmitted; one of a string, a
BufferSource, or an array of nested records. -
encodingOptional -
A string specifying the record's encoding.
-
idOptional -
A developer-defined identifier for the record.
-
langOptional -
A valid BCP47 language tag.
-
mediaTypeOptional -
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
No specification data found for api.NDEFReadingEvent.NDEFReadingEvent.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
NDEFReadingEvent |
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89 |
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https://developer.mozilla.org/en-US/docs/Web/API/NDEFReadingEvent/NDEFReadingEvent