(new Date(current)).getUTCMilliseconds() PASSED!
(new Date(-62167219200000)).getUTCMilliseconds() PASSED!
(new Date(0)).getUTCMilliseconds() PASSED!
(new Date(-2208988800000)).getUTCMilliseconds() PASSED!
(new Date(946684800000)).getUTCMilliseconds() PASSED!
(new Date(949464000000)).getUTCMilliseconds() PASSED!
(new Date(1104537600000)).getUTCMilliseconds() PASSED!
(new Date(NaN)).getUTCMilliseconds() PASSED!
Date.prototype.getUTCMilliseconds.length PASSED!
