The Essential Guide to HTML5

BLACKJACK

339

Code Explanation

} Close the while loop

if (ch>=51) { Asks if there were no undealt cards

ctx.fillText("NO MORE CARDS IN

DECK. Reload. ",200,250);

Displays a message

ch = 51; Sets ch to 51 to make this function
work

} Closes the if-true clause

deck[ch].dealt = who; Stores who, a nonzero value, so this
card is marked as having been dealt

card = deck[ch]; Sets a card

return card; Returns a card

} Closes the function

function builddeck() { Header for the function that builds
the MCard objects

var n; Variable used for inner iteration

var si; Variable used for outer iteration,
over the suits

var suitnames= ["clubs","hearts",

"spades","diamonds"];

Names of suits

var i; Keeps track of elements put into the
deck array

i=0; Initializes the array to 0

var picname; Simplifies the coding

var nums=["a","2","3","4","5","6","7",

"8","9","10","j","q","k"];

The names for all the cards

for (si=0;si<4;si++) { Iterates over the suits

x