var array1 = [{1,2,3,4},{4,5,6,7}]
var array2 = [{a,b,c,d},{e,f,g,h}]

var array3 =[{
              array1:[1,2,3,4],
              array2:[a,b,c,d]
             }
             {
              array1:[4,5,6,7],
              array2:[a,b,c,d]
             }]