text: 'use strict';
  var fails = require('../internals/fails');
  var padStart = require('../internals/string-pad').start;
  
  var abs = Math.abs;
  var DatePrototype = Date.prototype;
  var getTime = DatePrototype.getTime;
  var nativeDateToISOString = DatePrototype.toISOString;
  
  // `Date.prototype.toISOString` method implementation
  // https://tc39.es/ecma262/#sec-date.prototype.toisostring
  // PhantomJS / old WebKit fails here:
  module.exports = (fails(function () {
    return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
  }) || !fails(function () {
    nativeDateToISOString.call(new Date(NaN));
  })) ? function toISOString() {
    if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');
    var date = this;
    var year = date.getUTCFullYear();
    var milliseconds = date.getUTCMilliseconds();
    var sign = year < 0 ? '-' : year > 9999 ? '+' : '';
    return sign + padStart(abs(year), sign ? 6 : 4, 0) +
      '-' + padStart(date.getUTCMonth() + 1, 2, 0) +
      '-' + padStart(date.getUTCDate(), 2, 0) +
      'T' + padStart(date.getUTCHours(), 2, 0) +
      ':' + padStart(date.getUTCMinutes(), 2, 0) +
      ':' + padStart(date.getUTCSeconds(), 2, 0) +
      '.' + padStart(milliseconds, 3, 0) +
      'Z';
  } : nativeDateToISOString;
  