Tic Tac toe

by Patel1327

HTML

<body>
<div id="grid">
<div id="t1" class="board "></div>
<div id="t2" class="board"></div>
<div id="t3" class="board"></div>

<div id="a1" class="board "></div>
<div id="a2" class="board"></div>
<div id="a3" class="board"></div>

<div id="c1" class="board "></div>
<div id="c2" class="board"></div>
<div id="c3" class="board"></div>

<div class="clear"></div>
</div>


</body>

CSS

#grid {
    border: 2px solid #333333;
    margin: auto;
    width: 162px;
    font-size: 24px;
    background-color: #EEEEEE;
}
.board {
    position: relative;
    float: left;
    width: 50px;
    height: 38px;
    border: 2px solid #333333;
    padding-top: 12px;
    font-weight: bold;
    cursor: pointer;
}

JavaScript

var human = 'x'; //it menas human has turn = o
var computer = 'o';// it menas computer has turn = 1
var turn = 0;
var checkwins;
var xwin = false;
var ywin = false;

function start() {
document.getElementById ("demo").innerHTML = X ;
if (human == 'x') {
var

}
}