假设<select name="s1">
<option value="1">完全</option>
<option value="0">只读</option>
</select><input type="text" name="s2" value="">
当我选择“完全”时，表格为可输入修改状态，当我选择“只读”时，表格则为只读状态(例如readonly或disabled)要怎么实现呢？
<option value="1">完全</option>
<option value="0">只读</option>
</select><input type="text" name="s2" value="">
当我选择“完全”时，表格为可输入修改状态，当我选择“只读”时，表格则为只读状态(例如readonly或disabled)要怎么实现呢？
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD> <BODY>
<select name="s1" onchange="setReadonly(this)">
<option value="1">完全 </option>
<option value="0">只读 </option>
</select>
<input id="s2" type="text" name="s2" value=""> <SCRIPT LANGUAGE="JavaScript">
<!--
function setReadonly(obj)
{
if(obj.value=="0")
{
s2.readOnly="readonly";
}
else
{
s2.readOnly="";
}
}
//-->
</SCRIPT>
</BODY>
</HTML>