document.getElementByNames 对象不支持此属性或方法
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script language="javascript">
function doAlert()
{
var byNames = document.getElementByNames("test1").value;
alert(byNames);
var byId = document.getElementById('test123').value;
alert(byId);
}
</script>
</head>
<body>
<table width="100%" border="1" cellspacing="0" cellpadding="0">
<tr>
<td><input name="test1" type="text" id="test123">
<input type="button" name="Submit" value="按钮" onClick="doAlert()"></td>
</tr>
</table>
</body>
</html>
出现脚本错误。
是不是document.getElementByNames不行?