Euler Problem 8: Largest Product In A Series

A JS Implementation of Project Euler problem 8. Find the greatest product of five consecutive digits in a 1000-digit number.

by Taylor Lopez

HTML

<div id="content"></div>

CSS

html, body 
{
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    /* Background Color */
    background-color: black;
}

#content
{
    padding: 10px;
    font-family:"Lucida Console", "Courier New", "Courier";
    /* Console Text Color */
    color: #0F0;    /* Lime Green */
}

/* console span properties */
.consoleLine
{
}

JavaScript

/* START CONSOLE FUNCTIONALITY -- DON'T TOUCH */
// This function intercepts the console.log() calls and prints the output to the result pane to the right like a standard console instead of the hidden console. Just pretend like this isn't heeeereee. ooooooooooohhh. *spooky*
var _console = document.getElementById("content"); var _body = document.getElementsByTagName("body")[0]; console.log = function (object) { var output = object === undefined ? "" : object.toString(); output = output.replace(/ /g, "&nbsp;"); while (output.search('\n') !== -1) output = output.replace('\n', "<br />"); _console.innerHTML += ("<span class='consoleLine'>" + output + "</span><br />"); window.scrollTo(0, _body.scrollHeight); };
/* END OF CONSOLE FUNCTIONALITY */

/****************************** YOUR CODE START ******************************/

var bigNumber = "73167176531330624919225119674426574742355349194934\
96983520312774506326239578318016984801869478851843\
85861560789112949495459501737958331952853208805511\
12540698747158523863050715693290963295227443043557\
66896648950445244523161731856403098711121722383113\
62229893423380308135336276614282806444486645238749\
30358907296290491560440772390713810515859307960866\
70172427121883998797908792274921901699720888093776\
65727333001053367881220235421809751254540594752243\
52584907711670556013604839586446706324415722155397\
53697817977846174064955149290862569321978468622482\
83972241375657056057490261407972968652414535100474\
82166370484403199890008895243450658541227588666881\
16427171479924442928230863465674813919123162824586\
17866458359124566529476545682848912883142607690042\
24219022671055626321111109370544217506941658960408\
07198403850962455444362981230987879927244284909188\
84580156166097919133875499200524063689912560717606\
05886116467109405077541002256983155200055935729725\
71636269561882670428252483600823257530420752963450";

var largest = 0;
for (var i = 0; i < bigNumber.length - 4; i++)
{
    var product = 1;
    for (var j = i;...