[1, 55, 77, 88] // ...would return [55, 77, 88]
adding additional examples:
[1, 55, 77, 88, 99, 22, 33, 44] // ...wo
var y = [1,2,3,4,5,6,7,8,9,10]; console.log(y.slice((y.length - 5), y.length))
you can do this!