<HTML>
<HEAD></HEAD>
<BODY>
<textarea id="Description"></textarea>
<SCRIPT LANGUAGE="JScript">
document.getElementById('Description').value="dfgdfgdfghdfghfghfgh";
</SCRIPT>
</BODY>
</HTML>
<HEAD></HEAD>
<BODY>
<textarea id="Description"></textarea>
<SCRIPT LANGUAGE="JScript">
document.getElementById('Description').value="dfgdfgdfghdfghfghfgh";
</SCRIPT>
</BODY>
</HTML>
这句没有问题,应该是你其他代码有问题