gistfile1.txt

 // This is where im using the unique function
 var result = boxxspring.arrayUnique( results[1].concat( artifacts ), function( a, b ) { 
                  return a.id == b.id ? 0 : 1; 
                });
                
   
  // this is the definition of the unique array function
boxxspring.arrayUnique = function( array, comparator ) {

    var comparator = comparator || function( a, b ) {
      return a == b ? 0 : 1;
    }

    var result = new Array();

    source:
      for( var index = 0, length = array.length; index < length; index++ ) {

      for( var resultIndex = 0, resultLength = result.length; resultIndex < resultLength; resultIndex++ ) {
        if ( !comparator( result[ resultIndex ], array[ index ] ) ) {
          continue source;
        }
      }
      result[ result.length ] = array[ index ];
    }

    return result;

  }

boxxxspring.arrayUnique = function(array, fn) {
    var out = [];
    var known_ids = {};
    for (var i = 0; i < array.length; i++) {
        var id = fn(array[i]);
        if (known_ids.hasOwnProperty(id)) {
            continue;
        }
        known_ids[id] = true;
        out.push(array[i]);
    }
    return out;
}