js get last two element of array code example

Example 1: return last two values of array in javascript

var arr1 = [0, 1, 2, 3, 4, 5, 6, 7],
  arr2 = [0, 1, 2, 3];

document.body.innerHTML = 'ARRAY 1: ' + arr1.slice(1).slice(-5) + '<br/>ARRAY 2: ' + arr2.slice(1).slice(-5);

Example 2: find last item in an array JS

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