我正在尝试创建一个网页，该网页可以从剪贴板复制数据并通过此链接（https://www.webdeveloper.com/d/133404-how-to-copy-an-entire-form-to-clipboard/26）来访问，这与我想要复制的结果相同。
我尝试了由用户发布的代码，但似乎不起作用。
如果有人能够帮助我解决问题，那将是很大的帮助。
我尝试修复使用过的调用函数，但仍然无法正常工作。
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>DTC Logging Tool</title>
</head>
<SCRIPT LANGUAGE="JavaScript">
function updateDescription() {
var Template = ""
Template += "Service Tag: " + frm.ServiceTag.value + "\r\n";
Template += "System Type: " + frm.SystemType.value + "\r\n";
Template += "OS: " + frm.OS.value + "\r\n";
Template += "***DTC Entitled*** " ;
Template += "DTC Order Number: " + frm.DTCOrderNumber.value + "\r\n";
Template += "Issue: " + frm.Issue.value + "\r\n";
Template += "Troubleshooting Steps: " + frm.TS.value + "\r\n";
Template += "HFN Tool Used: " + frm.HFNTool.value + "\r\n";
Template += "DC Session ID: " + frm.DCSessionID.value + "\r\n";
Template += "Cobro: " + frm.Cobro.value + "\r\n";
Template += "NTP: " + frm.NTP.value + "\r\n";
Template += "Heatcheck: " + frm.Heatcheck.value + "\r\n";
Template += "NonSat Reason: " + frm.NonSatReason.value + "\r\n";
frm.holdtext.value = Template;
copied=frm.holdtext.createTextRange();
copied.execCommand('copy');
alert('Information has been copied, right click and select paste or press ctrl+V to paste into Delta');
}
</SCRIPT>
<body align=center>
<form id="DesksideForm" name="DesksideForm" method="post" action="">
<br>
<table cellspacing="20" align="center"><tr><td valign="middle"></td>
<td><font
size="+2"><b>DTC Logging Tool</b></font></td><td></td></tr></table>
<table align="center" cellpadding="0" cellspacing="0">
<tr>
<td valign="middle">Service Tag:</td>
<td><input name="ServiceTag" type="text" id="ServiceTag" value="" size="30" /></td>
</tr>
<tr>
<td valign="top">System Type:</td>
<td><input name="SystemType" type="text" id="SystemType" size="30" /></td>
</tr>
<tr>
<td valign="top">OS:</td>
<td><input name="OS" type="text" id="OS" size="30" /></td>
</tr>
<tr>
<td valign="top">DTC Entitled</td>
<td> </td>
</tr>
<tr>
<td valign="top">DTC Order Number:</td>
<td><input name="DTCOrderNumber" type="text" id="DTCOrderNumber" size="30" /></td>
</tr>
<tr>
<td valign="top">Issue:</td>
<td><input name="Issue" type="text" id="Issue" size="30" /></td>
</tr>
<tr>
<td width="332" valign="middle"><label id="TS">Troubleshooting Steps:</label></td>
<td width="365"><textarea name="TS" cols="50" rows="4" wrap="virtual" id="TS"></textarea></td>
</tr>
<tr>
<td valign="top">HFN Tool Used:</td>
<td><label>
<select name="HFNTool" size="1" id="HFNTool">
<option value="" selected="selected"></option>
<option value="YES">YES</option>
<option value="NO">NO</option>
</select>
</label></td>
</tr>
<tr>
<td valign="top">DC Session ID:</td>
<td><input name="DCSessionID" type="text" id="DCSessionID" size="30" /></td>
</tr>
<tr>
<td valign="top">Cobro:</td>
<td><label>
<select name="Cobro" size="1" id="Cobro">
<option value="" selected="selected"></option>
<option value="YES">YES</option>
<option value="NO">NO</option>
</select>
</label></td>
</tr>
<tr>
<td valign="top">NTP:</td>
<td><input name="NTP" type="text" id="NTP" size="50" /></td>
</tr>
<tr>
<td valign="top">Heatcheck:</td>
<td><label>
<select name="Heatcheck" size="1" id="Heatcheck">
<option value="" selected="selected"></option>
<option value="SAT">SAT</option>
<option value="NonSAT">NonSat</option>
</select>
</label></td>
</tr>
<tr>
<td width="332" valign="middle"><label id="NonSatReason">NonSat Reason:</label></td>
<td width="365"><textarea name="NonSatReason" cols="50" rows="2" wrap="virtual" id="NonSatReason"></textarea></td>
</tr>
<tr>
<td align="center" valign="middle"><label>
<input type="reset" name="Reset" value="Clear Template" />
</label></td>
<td align="center" valign="middle"><input type="button" name="copyform" value="Complete" onclick="updateDescription()" /> </td>
</tr>
</table>
<textarea name="holdtext" cols="100" rows="10" id="holdtext" style=visibility:hidden></textarea>
</form>
</body>
</html>