17.13.htm

来自「这是我卖的书上的源码 这书是电子邮电出版的是有关网络编程 有详细的例子」· HTM 代码 · 共 36 行

HTM
36
字号
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Disabled Field Demo</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
</head>
<body>
<center><h1>屏蔽表单域示例</h1>
当选择 no 时表单不可用
</center>
<form name="myform" id="myform" action="#" method="get">
Color your robot? &nbsp; &nbsp;
Yes <input type="radio" name="colorrobot" id="colorrobot" 
     value="yes" checked="true"
onclick="myform.robotcolor.disabled=false;robotcolorlabel.style.color=
'black';">
No <input type="radio" name="colorrobot" id="colorrobot"
     value="no" 
onclick="myform.robotcolor.disabled=true;robotcolorlabel.style.color='gray';
">
<br><br>
<label id="robotcolorlabel">
Color: 
<select name="robotcolor" id="robotcolor">
   <option selected>Silver</option>
   <option selected>Green</option>
   <option selected>Red</option>
   <option selected>Blue</option>
   <option selected>Orange</option>
</select>
</label>
</form>
</body>
</html>

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