<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
< ;style>
section{
background-color:#c9e495;
width:280px;
height:330px;
text-align:center;
padding-top:1px;}
border-width:1px;
border-style:solid;}
</style>
</head>
<body>
<section>
< ;h1> ;
<img src="image/logo.jpg" width="260" height="31">Willkommen in Taobao!
</h1>
<form action="" method="post" name="myform" id="myform">
<h3>
<img src="file:/ //F|/17webpage/computer/image/shopping cart.jpg" width="54" height="54">Einfacher Einkaufsrechner
</h3>
erste Zahl<input name="txtNum1" type="text" class="textBaroder" id="txtNum1" size="25">
Zweite Zahl<input name="txtNum2" type="text" class= "textBaroder" id="txtNum2" size="25">
<input name="addButton2" type="button" id="addButton2" value=" + " onChange="compute('+' )">
< input name="subButton2" type="button" id="subButton2" value=" - " onChange="compute('-')">
<input name="mulButton2 " type="button" id= "mulButton2" value=" × " onChange="compute('*')">
<input name="divButton2" type="button" id="divButton2" value= " ÷ " onChange="compute( '/')">
Berechnungsergebnis<INPUT name="textResult" type="text" class="textBaroder" id="textResult" size="25"> ;
</form>
</section> um1.value);
num2 = oarseFloat(document.myform.txtNum2.value);
if (op=="+")
document.myform.txtResult.value = num1+num2;
if (op=="-" )
document.myform.txtResult.value = num1-num2;
if (op=="*")
document.myform.txtResult.value = num1*num2;
if (op=="/" && num2!=0)
document.myform.txtResult.value = num1/num2;
}
</script>
</body>
</html>
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1.oarseFloat?parseFloat?属实迷惑,2.还有一个问题,txtResult错了 3.onChange能用吗?换成onclick