[Dilettante_Pro]

var arr = ['a','b','c'];
var arr2 = [1,2,3];
var arr3 = [];
for(var i = 0; i < arr.length; i++) {
    arr3[i] = {};
    arr3[i].arr = arr[i];
    arr3[i].arr2 = arr2[i];
}
alert(arr3[1].arr2);