The Essential Guide to HTML5

CHAPTER 6

Code Explanation

var inbetween = 300; Variable holding the distance between the original two
columns

var col1 = 20; Variable holding the horizontal position of the first column

var row1 = 200; Variable holding the vertical position of the first row

var rowsize = 50; Variable holding the height of a row (the block itself and
the spacing) for creation of all the rows

var slots = new Array(nq); An array variable to hold which slots in the right column
have been filled

function init(){ Start of init function

setupgame(); Invoked setupgame();

} Close of init function

function setupgame() { Start of setupgame function

var i; Variable used for the for loops

var c; Variable used for the choice of row (inner array) of facts

var s; Variable used for choice of slots

var mx = col1; Variable holding the horizontal position

var my = row1; Variable holding the initial vertical position

var d; Variable ho ldi ng the created html element

var uniqueid; Variable ho ldi ng the created id

for (i=0;i<facts.length;i++) { Start of a for loop to mark all facts as not being used

facts[i][2] = false; Set (reset) the third value, index 2, to be false

} Close the for loop

for (i=0;i<nq;i++) { Start of a for loop to set all the slots to unused