Logic sort kontak

#body>
#script>
var arr=new Array(3);
arr[0]="Sinta";
arr[1]="Santi";
arr[2]="Santa";

var arr2=new Array(3);
arr2[0]="Anna";
arr2[1]="Kiki";
arr2[2]="Budi";

var arr3=new Array(3);
arr3[0]="Simanjuntak";
arr3[1]="Manurung";
arr3[2]="Haloho";
document.write(arr.concat(arr2,arr3));
#/script>
#/body>