我正在处理这个表单的问题。每当我添加或刷新页面时,值仍然存在。我相信这是因为clone方法从textBox复制value属性。当我添加另一个textBox时,有什么方法可以摆脱它们吗?
<html>
<head>
<title>JQuery Example</title>
<script type="text/javascript" src="jquery-1.4.js"></script>
<script type="text/javascript">
function removeTextBox()
{
var childCount = $('p').size() //keep track of paragraph childnodes
//this is because there should always be 2 p be tags the user shouldn't remove the first one
if(childCount != 2)
{
var $textBox = $('#textBox')
$textBox.detach()
}
}
function addTextBox()
{
var $textBox = $('#textBox')
var $clonedTextBox = $textBox.clone()
//document.getElementById('textBox').setAttribute('value', "")
$textBox.after($clonedTextBox)
}
</script>
</head>
<body>
<form id =
method="POST"
action="http://cs.harding.edu/gfoust/cgi-bin/show">
<p id= "textBox">
Email:
<input type = "text" name="email" />
<input type ="button" value ="X" onclick = "removeTextBox()"/>
</p>
<p>
<a href="javascript:addTextBox()">Add another email</a>
</p>
<input type="submit" value="submit"/>
</form>
</body>
</html>
答案 0 :(得分:1)
以下添加应该有效:
var $clonedTextBox = $textBox.clone();
$($clonedTextBox).val('');