Test case details

Preparation Code

var x = "[1,2,3,4,54,1,2,,6,457,4,53,52,34,2,34,45,357,6325,3,5532,423,43,5325,42,542,6,3256,78,569,87,43,2,342,34,6,23,24,'1243']"

Test cases

Test #1

var y = x.slice(-1)

Test #2

var y = x[x.length - 1]