<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.49028c.com/" />
<title>not()函數-武林網</title>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert($("li").not(".js").length)
})
</script>
</head>
<body>
<div>
<ul>
<li>HTML專區</li>
<li class="js">Javascript專區</li>
<li>Div+Css專區</li>
<li>Jquery專區</li>
</ul>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.49028c.com/" />
<title>not()函數武林網</title>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert($("li").not(document.getElementById("js")).length);
})
</script>
</head>
<body>
<div>
<ul>
<li>HTML專區</li>
<li id="js">Javascript專區</li>
<li>Div+Css專區</li>
<li>Jquery專區</li>
</ul>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.49028c.com/" />
<title>not()函數武林網</title>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert($("li").not(function(){return $(this).attr("class")=="js"}).length);
})
</script>
</head>
<body>
<div>
<ul>
<li>HTML專區</li>
<li class="js">Javascript專區</li>
<li>Div+Css專區</li>
<li>Jquery專區</li>
</ul>
</div>
</body>
</html>
