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<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>Solution 9.26</title>
<script type="text/javascript">
<!--
var heads = 0;
var tails =0;
function toss()
{
var headsField = document.getElementById( "heads" );
var tailsField = document.getElementById( "tails" );
if ( flip() )
{
++heads;
headsField.value = heads;
}
else
{
++tails;
tailsField.value = tails;
}
} // end function toss
function flip()
{
return Math.floor( Math.random() * 2 ) == 1
} // end function flip
//</script></head></html>
<br />
<form action="">
<table border="1">
<tbody>
<tr><td>Heads</td>
<td><input id="heads" type="text" />
</td>
</tr>
<tr><td>Tails</td>
<td><input id="tails" type="text" />
</td>
</tr>
<tr><td><input onclick="toss()" type="button" value="Flip Coin" /></td>
</tr>
</tbody></table>
</form>
hasilnya
