SOURCE

var comp = create("name")
var resu = comp({name: 'nic'},{name: 'greg'})

function create(proper){
  return function)(obj1,obj2){
    
    var value1 = obj1[proper]
    var value2 = obj2[proper]
    
    if(value1 < value2){
      return -1
    } else if(value1 > value2){
      return 1
    } else {
      return 0
    }
    
  }
}