[1] [CITE@en-GB[ECMAScript Language Specification ECMA-262 6th Edition – DRAFT]]
( ([TIME[2014-04-28 18:21:11 +09:00]] 版))
<https://people.mozilla.org/~jorendorff/es6-draft.html#sec-date.prototype.toisostring>

[2] [CITE@nl[Date.prototype.toISOString() - JavaScript | MDN]]
([TIME[2017-05-20 21:36:38 +09:00]])
<https://developer.mozilla.org/nl/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString>