<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.49028c.com/" />
<title>武林網</title>
<style type="text/css">
.display{display:none;}
</style>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$("div:visible").css({color:"blue"});
})
})
</script>
</head>
<body>
<div class="display">我是不可見的</div>
<div>我是可見的</div>
<ul>
<li>武林網歡迎您</li>
</ul>
<button>點擊查看效果</button>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.49028c.com/" />
<title>武林網</title>
<style type="text/css">
.display {
display:none;
}
</style>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$(":visible").css({color:"blue"});
})
})
</script>
</head>
<body>
<div class="display">我是不可見的</div>
<div>我是可見的</div>
<ul>
<li>武林網歡迎您</li>
</ul>
<button>點擊查看效果</button>
</body>
</html>
