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##<meta charset="utf-8 "><title>無標題文檔</title><style>section{# background-color:# c9e495; width:280px; height:330px; text-align:center;# padding-top:1px;}#.textBaroder{ border-width:1px;# border-style:solid;}## </style>
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<h1>
#<img src= "image/logo.jpg" width="260" height="31">歡迎來到淘寶！
</h1>
<form action="" method="post" name="myform" id="myform">
<h3> ;
<img src="file:///F|/17網頁/電腦/image/購物車.jpg" width="54" height="54">購物簡易計算器
</h3>
##第一個數<input name="txtNum1" type="text" class="textBaroder" id="txtNum1" size="25 ">
第二個數<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('/')">計算結果<INPUT name="textResult" type="text" class="textBaroder" id ="textResult" size="25"></form>
</section><script>function compute(op)#{## var num1,num2;
num1 = oarseFloat(document.myform .txtNum1.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>
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1.oarseFloat？ parseFloat?屬實迷惑，2.還有一個問題，txtResult錯了 3.onChange能用嗎？換成onclick