MozNFCTag.readNDEF()
The readNDEF() method of the MozNFCTag interface retrieves the contents of the NDEF stored on the Tag, and returns an array of MozNDEFRecord objects.
Syntax
JavaScript
Copy Code
Promise<sequence<MozNDEFRecord>><span class="idlMethod"><span class="idlInterface"><span class="idlMethod"> readNDEF();</span></span></span>
Parameters
None.
Returns
A Promise object which will be resolved as an array of MozNDEFRecord.
Errors
DOMError with error type is InvalidStateError if the tag is already lost.
Specifications
The NFC implementation in Gecko follows the NFC Forum specifications.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support |
No support |
No support | No support | No support | No support |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | 2.0 moz [1] | No support | No support | No support |
[1] Available in privileged apps as of Firefox OS 2.2; certified-only before that.
See also
- Using the NFC API
- Using the NFC emulator
- Introduction to NFC (fairly long reference doc, featuring general NFC terms, and some Nokia platform specifics.)
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/moznfctag/readndef