6.2 LongDate created by smillaraaq - https://repl.it/HGEi/1

6.2 LongDate.js

function longDate(myDate){
  var monthArray = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
  var dateArray = myDate.split("/");
  
  var month = monthArray[dateArray[0]];
  var day = dateArray[1];
  var year = dateArray[2];
  if(year.length === 2){
    if(year <= "20"){
      year = "20" + year;
    } else {
      year = "19" + year;
    }
  }
  var finalDate = month + " " + day + ", " + year;
  console.log(finalDate);
}    
longDate("7/12/99");