return last element in array javascript code example

Example 1: javascript last element of an array

var colors = ["red","blue","green"];
var green = colors[colors.length - 1];//get last

Example 2: javascript code for find the last element in array

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