The Memory (aka Concentration) Game - The Essential Guide to HTML5 - page 168

var firstcard = -1;

var secondcard;

var backcolor = "rgb(128,0,128)";

var tablecolor = "rgb(255,255,255)";

var deck = [];

var firstsx = 30;

var firstsy = 50;

var margin = 30;

var cardwidth = 100;

You may need to
change this if you
want your pictures to
be a different width...

var cardheight = 100;

...and/or height

var matched;

var starttime;

var count = 0;

Needed to keep
count internally

var pairs = [ The array of pairs of

image files for the
five people

["allison1.jpg","allison2.jpg"],

This is where you
put in the names of
your picture files

... [ "grant1.jpg","grant2.jpg"],

...

["liam1.jpg","liam2.jpg"],

... ["aviva1.jpg","aviva2.jpg"],