Longest roman number

by toubia95

HTML

<div id="display"></div>

JavaScript

var arabeVersRomain = function (arabe) {
    var lookup, romain, i;
    lookup = {
      M: 1000,
      CM: 900,
      D: 500,
      CD: 400,
      C: 100,
      XC: 90,
      L: 50,
      XL: 40,
      X: 10,
      IX: 9,
      V: 5,
      IV: 4,
      I: 1
    };
    romain = '';
    for (i in lookup) {
      while (arabe >= lookup[i]) {
        romain += i;
        arabe -= lookup[i];
      }
    }
    return romain;
  };

/** display results */
var display = document.getElementById("display");
var temp = 0;
for (var i=0; i<3000; i++) {
  var str = arabeVersRomain(i);
  var strl = str.length;
  if (strl > temp) { 
    temp = strl;
    display.innerHTML += i + " : " + temp + "<br>";
  }
}
display.innerHTML += arabeVersRomain(2888) + "<br>";