请教一下一个关于checkbox的问题
button点击后实现不了function,不知道我下面的代码错在哪里?请高手帮下忙
<html>
<head>
<title>表单</title>
<script language="javascript">
function allchecked()
{var i;
var a=document.forms["form1"];
for(i=0;i<a.length;i++)
document.forms["form1"][i].checked;
}
</script>
</head>
<body>
<br>
<br>
<br>
<form name="form1">
<center>
<input type=checkbox name="check1">Marvin
<br>
  <input type=checkbox name="check2">Trillian
<br>
<input type=button value=全选 onClick="allchecked()">
</center>
</form>
</body>
</html>
button点击后实现不了function,不知道我下面的代码错在哪里?请高手帮下忙
<html>
<head>
<title>表单</title>
<script language="javascript">
function allchecked()
{var i;
var a=document.forms["form1"];
for(i=0;i<a.length;i++)
document.forms["form1"][i].checked;
}
</script>
</head>
<body>
<br>
<br>
<br>
<form name="form1">
<center>
<input type=checkbox name="check1">Marvin
<br>
  <input type=checkbox name="check2">Trillian
<br>
<input type=button value=全选 onClick="allchecked()">
</center>
</form>
</body>
</html>
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checkbox
2008-7-10 10:52
