javascript does split create an array code example
Example 1: HOW TO SPLIT AN ARRAY JAVASCRIPT
array.splice(index, number, item1, ....., itemN)
Example 2: javascript split 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);