Finding closest sum of numbers to a given number

Question

Say I have a list [1,2,3,4,5,6,7] and I would like to find the closest sum of numbers to a given number. Sorry for the crappy explanation but here\'s an example:

Say I h

Answer 1

 var data= [1, 2, 3,4,5,6,7];
  var closest = 14;
 for (var x = 0; x < data.length; x++) {
    for (var y = x+1; y < data.length; y++) {
             if(data[x] + data[y] == closet){
                     alert(data[x].toString() + "  " + data[y].toString());
                }
            }
       }