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計算不顯示結果是為什么?

瀏覽:118日期:2024-05-28 16:16:46

問題描述

<!doctype html>

<html>

<head>

<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>

</head>

<body>

<section>

<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/計算機/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>

</body>

</html>

問題解答

回答1:

http://b68z56d.cn/梁丘靖之資訊網出爐

回答2:

http://sn4r209.cn/淳于寄風資訊網續約

回答3:

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

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