クラス用に設計している一見単純な HTML/Javascript ページのバグを見つけるのに非常に苦労しています。私はこのページのコードを何時間もかけて調べました (そして、私を夢中にさせている他の 3 つのページ)。私が滑った構文があるのだろうか？このページでは、顧客が与信限度額を超えたかどうかを解読するスクリプトを作成します。このページと他の 3 つのページでは、onclick イベントが機能していないようです。完全なコードは次のとおりです。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Homework 3 Part 3</title>
<style type="text/css">
tr.visiting {background-color: #000000; }
h1.header {color: #333333;}
.creditbox {
background-color: #ffcc66;
width: 60%;
border:solid 5px #666666;
margin-left:auto;
margin-right:auto;
}
table {
text-align: right;
}
td.visiting {background-color: #000000; }
input {text-align: right;}
</style>
<script type="text/javascript">
/* <![CDATA[ */
function creditCalc()
{
var account, credLim, begBalance, totalCharged, credit, balance, endBalance;
account = parseInt(document.creditLimitForm.accountNum.value);
credLim = parseInt(document.creditLimitForm.creditLimit.value);
begBalance = parseInt(document.creditLimitForm.beginningBalance.value);
totalCharged = parseInt(document.creditLimitForm.amtCharged.value);
credit = parseInt(document.creditLimitForm.creditsApplied.value);
balance = begBalance + totalCharged;
endBalance = balance - credit;
documemt.creditLimitForm.creditDisplay.value("Account Number: " + account + "\nCredit Limit: " + credLim + "\nBeginning Balance: " + begBalance + "\nTotal Charged this month: " + totalCharged + "\nTotal credits this month: " + credit + "\nCredit Available: " + endBalance);
document.getElementById("creditAvailable").innerHTML = endBalance;
}
/*]]>*/
</script>
</head>
<body bgcolor = "#ffffff" alink = "#FFFFCC" link = "#FFFFCC" vlink = "#FFFFCC">
<table id="border" width="70%" align ="center" cellpadding="0">
<tr>
<td align="center">
<img src="hw3Banner.jpg" alt="Homework Banner" align="middle" />
</td>
</tr>
</table>
<br />
<table border="1" width="500" align ="center" bgcolor="#666666" cellpadding="2.5">
<tr><td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3.html">HW 3 Main</a></td>
<td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt1.html">Part 1</a></td>
<td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt2.html">Part 2</td>
<td class="visiting" align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt3.html">Part 3</a></td>
<td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt4.html">Part 4</a></td>
<td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt5.html">Part 5</a></td>
<td align = "center"><font face ="baskerville" color="#FFFFCC" /><a href="homework3pt6.html">Part 6</a></td></tr></table>
<br />
<div class="creditbox" align="center" >
<form name="creditLimitForm" action="">
<br />
<h1 class="header">Customer Credit Limit Check</h1>
<br />
<table class="creditLimitForm">
<tr>
<td>Customer Account Number:</td>
<td><input type="text" id="accountNum" name="accountNum" size="15" /></td>
</tr>
<tr>
<td>1st of Month Balance: </td>
<td>$<input type="text" id="beginningBalance" name="beginningBalance" size="15" /></td></tr>
<tr>
<td>Total charged by customer this month: </td>
<td>$<input type="text" id="amtCharged" name="amtCharged" size="15" /></td>
</tr>
<tr>
<td>Total credits applied to account </td>
<td>$<input type="text" id="creditsApplied" name="creditsApplied" size="15" /></td>
</tr>
<tr>
<td>Allowed Credit Limit</td>
<td>$<input type="text" id= "creditLimit" name="creditLimit" size="15" /></td>
</tr>
</table>
<br />
<textarea rows="7" cols="50" name="creditDisplay"></textarea>
<br /><br />
<input type="button" onclick="creditCalc();" value="Check Credit" />
<input type="reset" value="Reset Form" />
<p>Credit Available: </p>
<p id="creditAvailable"></p>
</form>
<br />
<br />
</div>
</body>
</html>
救助に来ることができる良いデバッガーはいますか?