ja array.last code example
Example 1: last element of array javascript
var my_array = /* some array here */;
var last_element = my_array[my_array.length - 1];
Example 2: javascript last element of array
arr.slice(-1)[0]
var my_array = /* some array here */;
var last_element = my_array[my_array.length - 1];
arr.slice(-1)[0]