var arr:Array = new Array(); arr[0] = {id:1,numbers:[1,2,3]}; arr[1] = {id:2,numbers:[2,3,4]}; arr[2] = {id:3,numbers:[3,4,5]}; arr[3] = {id:4,numbers:[4,5,6]}; for(var i=0;i<=arr.length-1;i++){ for(var j=0;j<=arr[i].numbers.length-1;j++){ if(arr[i].numbers[j] == 2){ trace(arr[i].id); } } }