كود لعبة اكس واي ويمكنك لعبها مع الكمبيوتر

<SCRIPT LANGUAGE="LiveScript">
<!---Copyright 1996 Chris Englmeier
<!---Feel free to use this script as long as these copyright
<!-- line remain as is
<!--
step = 0;
diff=3;
// change board when button is clicked
function clear_all(form) {
step = 0;
for (i=0;i<9; ++i) {
position="a"+i;
form[position].value="";
}
}
// change board when button is clicked
function clickit(field) {
if (step == -1) {alert("Reset to play again"); return;}
position=field.name.substring(1,2,1);
position = 'a'+position;
if (field.form[position].value !="")
{alert("Can't go there"); return;}
field.form[position].value="X";
if (eval_pos(field.form)) {
field.form.output.value="You Win!";
step = -1;
return;
}
position=get_move(field.form);
field.form.output.value='I moved to ' +
position.substring(1,2,1);
if (position=="") {
field.form.output.value="No Winner.";
step = -1;
return;
}
field.form[position].value="O";
if (eval_pos(field.form)) {
field.form.output.value="You Lose!";
step = -1;
}
}
// see if there is a winner
function eval_pos(form) {
if ((form.a0.value!="" && form.a0.value==form.a3.value &&
form.a0.value==form.a6.value)||
(form.a0.value!="" && form.a0.value==form.a1.value &&
form.a0.value==form.a2.value) ||
(form.a0.value!="" && form.a0.value==form.a4.value &&
form.a0.value==form.a8.value) ||
(form.a1.value!="" && form.a1.value==form.a4.value &&
form.a1.value==form.a7.value) ||
(form.a2.value!="" && form.a2.value==form.a5.value &&
form.a2.value==form.a8.value) ||
(form.a2.value!="" && form.a2.value==form.a4.value &&
form.a2.value==form.a6.value) ||
(form.a3.value!="" && form.a3.value==form.a4.value &&
form.a3.value==form.a5.value) ||
(form.a6.value!="" && form.a6.value==form.a7.value &&
form.a6.value==form.a8.value))
return true;
else
return false;
}
function f(a) {
if (a == "") return "."; else return a;
}
// get position for move.
function comp_move(form,player,weight,depth) {
var cost;
var bestcost=-2;
var position;
var newplayer;
if (player=="X") newplayer="O"; else newplayer="X";
if (depth==diff) return 0;
if (eval_pos(form)) return 1;
for (var i=0; i<9; ++i) {
position='a'+i;
if (form[position].value != "")
continue;
form[position].value=player;
cost = comp_move(form,newplayer, -weight, depth+1);
if (cost > bestcost) {
bestcost=cost;
if (cost==1) i=9;
}
form[position].value="";
}
if (bestcost==-2) bestcost=0;
return(-bestcost);
}
// get position for move.
function get_move(form) {
var cost;
var bestcost=-2;
bestmove="";
// don't think about first move.
if (step++ == 0)
if (form.a4.value=="") return "a4";
else if (form.a0.value=="") return "a0";
for (var i=0; i<9; ++i) {
localposition='a'+i;
if (form[localposition].value != "")
continue;
form[localposition].value="O";
cost=comp_move(form,"X", -1, 0);
if (cost > bestcost) {
if (cost==1) i=9;
bestmove=localposition;
bestcost=cost;
}
form[localposition].value="";
}
return bestmove;
}
// complain if user attempts to change board
function complain(field) {
field.form.output.focus(); // put focus eleswhere
alert("Don't change the game fields directly!");
}
//a href="http://www.ucsd.edu/
// the end -->
</SCRIPT>
<FORM>
<INPUT SIZE=1 NAME="a0" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b0" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a1" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b1" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a2" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b2" OnClick="clickit(this)"><BR>
<INPUT SIZE=1 NAME="a3" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b3" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a4" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b4" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a5" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b5" OnClick="clickit(this)"><BR>
<INPUT SIZE=1 NAME="a6" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b6" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a7" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b7" OnClick="clickit(this)">
<INPUT SIZE=1 NAME="a8" OnFocus="complain(this)">
<INPUT TYPE="button" NAME="b8" OnClick="clickit(this)"><BR>
<table border=0><tr><td>
Message:</td><td> <INPUT NAME="output" TYPE="text"></td></tr>
<tr><td>Difficulty: </td><td><SELECT NAME="difficulty"
OnChange="diff=form.difficulty[form.difficulty.selectedIndex].value;">
<OPTION VALUE=1> Very Easy
<OPTION VALUE=2> Easy
<OPTION VALUE=3 SELECTED> Medium
<OPTION VALUE=4> Hard (may think a long time)
</SELECT></td></tr>
<tr><td></td><td><INPUT TYPE="button" VALUE="Computer Moves First"
OnClick="if (!step++) this.form.a4.value='O';"></td></tr>
<tr><td></td>
<td><INPUT TYPE="reset" VALUE="Restart"
OnClick="clear_all(this.form)"></td></tr>
</table>
</FORM>