[1] Web NFC API ( (2013-11-06 07:21:25 +09:00 版)) https://raw.github.com/w3c/nfc/master/proposals/common/nfc.html

[2] Low-level Web NFC API for Trusted Applications (2016-08-19 00:41:39 +09:00) https://w3c.github.io/nfc/

[3] Web NFC API (2016-08-19 00:41:39 +09:00) https://w3c.github.io/nfc/proposals/common/nfc.html

[4] Web NFC API (2017-10-02 19:49:19 +09:00) https://www.w3.org/TR/2014/WD-nfc-20140114/

[5] Web NFC API (2017-10-02 19:52:35 +09:00) https://www.w3.org/TR/2015/NOTE-nfc-20150616/