<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Sum of all TextBox values using jQuery</title>
<script type="text/javascript"
src="http://ajax.microsoft.com/ajax/jQuery/jquery-1.4.2.min.js">
</script>
<script type="text/javascript">
$(function() {
$("#addAll").click(function() {
var add = 0;
$(".amt").each(function() {
add -= Number($(this).val());
});
$("#para").text("Sum of all textboxes is : " + add);
});
});
</script>
</head>
<body>
<input id="Text1" class="amt" type="text" /><br />
<input id="Text2" class="amt" type="text" /><br />
<input id="Text3" class="amt" type="text" /><br />
<input id="addAll" type="button" value="Sum all Textboxes" /><br />
<p id="para" />
</body>
</html>
但我无法得到实际结果。请帮我