javascriptはよく使う
1. js <SCRIPT language="javascript">
function calculator(op)
{
var num1,num2;
num1=parseFloat(document.form.txtNum1.value); //
num2=parseFloat(document.form.txtNum2.value); //
if (op=="+") //
document.form.txtResult.value=num1+num2 ;
if (op=="-")
document.form.txtResult.value=num1-num2 ;
if (op=="*")
document.form.txtResult.value=num1*num2 ;
if (op=="/" && num2!=0) //num2！=0 0
document.form.txtResult.value=num1/num2 ;
}
</SCRIPT>
</HEAD>
<BODY>
<FORM name="form" method="get" action="">
<TABLE width="298" height="132" bgcolor="#66B3FF" border="1" align="center">
<TR>
<TD height="35" colspan="3"><H3> </H3></TD>
</TR>
<TR >
<TD width="89" height="24" align="right" > </TD>
<TD width="130"><INPUT name="txtNum1" type="text" class="textBaroder" size="10"></TD>
<TD width="65" rowspan="3" align="center" >
<INPUT name="addButton2" type="button" value=" + " onClick="calculator('+')"><BR>
<INPUT name="subButton2" type="button" value=" - " onClick="calculator('-')"><BR>
<INPUT name="mulButton2" type="button" value=" x " onClick="calculator('*')"><BR>
<INPUT name="divButton2" type="button" value=" / " onClick="calculator('/')"><BR>
</TD>
</TR>
<TR >
<TD height="29" align="right" > </TD>
<TD><INPUT name="txtNum2" type="text" class="textBaroder" size="10"></TD>
</TR>
<TR>
<TD height="32" align="right" > </TD>
<TD><INPUT name="txtResult" type="text" class="textBaroder" size="10"></TD>
</TR>
</TABLE>
<SCRIPT type="text/javascript" language="javascript">
/*
javascript
*/
function change(color){
if(color=="r"){
document.bgColor="red";
}else if(color=="b"){
document.bgColor="blue";
}else if(color=="g"){
document.bgColor="green"
}
}
</SCRIPT>
</HEAD>
<BODY>
<FORM action="" method="get" name="myform">
<TABLE width="459" border="0" cellspacing="0" cellpadding="0" align="center">
<TR align="center">
<TD width="143">
<INPUT type="button" name="btn1" value=" " onClick="change('b')"></TD>
<TD width="153">
<INPUT type="button" name="btn2" value=" " onClick="change('r')"></TD>
<TD width="163">
<INPUT name="btn3" type="button" value=" " onClick="change('g')"></TD>
</TR>
</TABLE><SCRIPT language="JavaScript">
<!--
function disptime( )
{
var time = new Date( ); //
var hour = time.getHours( ); // 、 、
var minute = time.getMinutes( );
var second = time.getSeconds( );
var apm="AM"; // : AM
if (hour>12) // 12
{
hour=hour-12;
apm="PM" ;
}
if (minute < 10) // 1 ， 0
minute="0"+minute;
if (second < 10) // 1 ， 0
second="0"+second;
/* */
document.myform.myclock.value =hour+":"+minute+":"+second+" "+apm;
/* 1 （1000 ）， disptime() ， */
var myTime = setTimeout("disptime()",1000);
}
//-->
</SCRIPT>
<STYLE type="text/css">
<!--
/* ： */
INPUT {
font-size: 30px;
border-style:none ;
background-color:#FF8B3B;
}
-->
</STYLE>
</HEAD>
<BODY onLoad="disptime( )">
<FORM NAME="myform">
<TABLE width="100%" border="0" align="center">
<TR>
<TD colspan="3"><IMG src="images/mosou.jpg" width="1001" height="457"></TD>
</TR>
<TR>
<TD width="37%"> </TD>
<TD width="41%"><H2> ：
<INPUT name="myclock" type="text" value="" size="10" >
</H2></TD>
<TD width="22%"> </TD>
</TR>
</TABLE><SCRIPT language="javascript">
function openwindow( )
{
window.status=" ： ......";
if (window.screen.width == 1024 && window.screen.height == 768)
window.showModalDialog("register.html", " ", "toolbars=0, location=0, statusbars=0, menubars=0,width=700,height=550,scrollbars=1");
else
window.alert(" 1024x768， ");
}
function closewindow( )
{
if(window.confirm(" ？"))
window.close( );
}
</SCRIPT>
<STYLE type="text/css">
<!--
/* */
A {
color: blue;
text-decoration: none;
}
A:hover{ /* */
color: red;
}
-->
</STYLE>
</HEAD>
<BODY bgcolor="#CCCCCC">
<TABLE border="0" align="center" bgcolor="#FFFFFF" >
<TR>
<TD colspan="3"><IMG src="images/head.jpg" width="761" height="389"></TD>
</TR>
<TR>
<TD width="502" >
<IMG src="images/foot.jpg" width="502" height="90" align="top"></TD>
<TD width="86" valign="top" ><H3><A href="javascript: openwindow( ) "> </A></H3></TD>
<TD width="263" valign="top" > <H3><A href="javascript: closewindow( ) "> </A></H3></TD>
</TR>
</TABLE>