00001
00009 function countHolders(array, placeholder) {
00010 var length = array.length,
00011 result = 0;
00012
00013 while (length--) {
00014 if (array[length] === placeholder) {
00015 ++result;
00016 }
00017 }
00018 return result;
00019 }
00020
00021 module.exports = countHolders;