var countSort = function(array) {
var i, z = 0, count = [],
min = Math.min.apply({}, array),
max = Math.max.apply({}, array),
size = array.length;
//给新数组预填为零
for (i = min; i <= max; i++) {
count[i] = 0;
}
for (i=0; i < size; i++) {
count[array[i]]++;
}
for (i = min; i <= max; i++) {
while (count[i]-- > 0) {//循环新数组，如果不为零，则把i返回array
array[z++] = i;
}
}
return array;
}