<HTML>
<HEAD><TITLE>_</TITLE></HEAD>
<BODY>
<SCRIPT>
function _click()
{
var e = document.forms[0].elements;
var n = new Array( 2 );
var p = new Array( 2 );
for ( var i = 0, j; i < 2; i++ ) { n[i] = e[i].value; p[i] = e[2].value; }
e = e[4];
alert( e.value = n[i = Math.round( Math.random() )] + "が先行です。\n" );
for ( ; p[i] > 0; )
{
e.value += n[0] + ":" + p[0] + "\t" + n[1] + ":" + p[1] + "\n";
j = Math.ceil( Math.random() * 6 );
if ( j == 5 ) { e.value += "クリティカルヒット！\n"; j += Math.ceil( Math.random() * 6 ); }
p[i ^= 1] -= j;
e.value += n[i ^ 1] + "が" + n[i] + "に" + j + "ダメージ\t" + n[i] + ":" + p[i] + "\n";
}
e.value += n[i ^ 1] + "の勝利です。\n";
}
</SCRIPT>
<FORM>
名前Ａ<INPUT></INPUT><BR>
名前Ｂ<INPUT></INPUT><BR>
両力量<INPUT></INPUT><BR>
<INPUT ONCLICK="_click()" TYPE="BUTTON" VALUE="開始"></INPUT><BR>
<TEXTAREA COLS="50" ROWS="20"></TEXTAREA><BR>
</FORM>
</BODY>
</HTML>