The Tor Browser / file revision

 // Binary: cache/js-dbg-64-f3f5d8a8a473-linux

 // Flags: -m -n

 //

 function MakeDay( year, month, date ) {

   date = ToInteger(date );

   var t = ( year < 1970 ) ? 1 :  0;

   return ( (Math.floor(t/86400000)) + date - 1 );

 }

 function MakeDate( day, time ) {

   if ( day == Number.POSITIVE_INFINITY || day == Number.NEGATIVE_INFINITY ) {  }

 }

 function ToInteger( t ) {

   var sign = ( t < 0 ) ? -1 : 1;

   return ( sign * Math.floor( Math.abs( t ) ) );

 }

 var UTCDate = MyDateFromTime( Number("946684800000") );

 function MyDate() {

   this.date = 0;

 }

 function MyDateFromTime( t ) {

   var d = new MyDate();

   d.value = ToInteger( MakeDate( MakeDay( d.year, d.month, d.date ), d.time ) );

   var i = 0; while (Uint32Array && i < 10000) { ++i; if (0 == 100000) return;   }

 }