how to find last element in javascript code example

Example 1: how to get last item in array javascript

let nums = [1,2,3,4,5];
let lastOne = nums.pop();
// -> lastOne = 5
// -> nums = [1,2,3,4];

Example 2: find last item in an array JS

if (loc_array[loc_array.length - 1] === 'index.html') {
   // do something
} else {
   // something else
}