THE MEMORY (AKA CONCENTRATION) GAME
ctx.fillRect(deck[secondcard].sx,deck[secondcard].sy,deck[secon
dcard].swidth,deck[secondcard].sheight);
Draw over the cardctx.fillRect(deck[firstcard].sx,deck[firstcard].sy,deck[firstca
rd].swidth,deck[firstcard].sheight);
Draw over the carddeck[secondcard].sx = -1; Set this so the card
won't be checked
deck[firstcard].sx = -1; Set this so tso card
won't be checked
} Close if theres no
match
} Close the function
function init(){ Function header init
ctx = document.getElementById('canvas').getContext('2d'); Set ctx to do all the
drawing
canvas1 = document.getElementById('canvas'); Set canvas1 for event
handling
canvas1.addEventListener('click',choose,false); Set up event handling
makedeck(); Create the deck
document.f.count.value = "0"; Initialize visible count
document.f.elapsed.value = ""; Clear any old value
starttime = new Date(); First step to setting
starting time
starttime = Number(starttime.getTime()); Reuse the variable to
set the milliseconds
from benchmark
shuffle(); Shuffle the card info
values