take last element of an array javascript code example

Example 1: javascript get last element of array

var linkElement = document.getElementById("BackButton");
var loc_array = document.location.href.split('/');
var newT = document.createTextNode(unescape(capWords(loc_array[loc_array.length-2]))); 
linkElement.appendChild(newT);

Example 2: javascript get last element of array

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