今天寫一個前端頁面的小功能,選中某個按鈕或者菜單的時候顏色發生變化,以便用戶區分本身選中的選項,這也是一種前端平常工做之中優化項。 效果是這樣的: css
代碼是這樣的:html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style>
ul li{
line-height: 40px;
list-style: none;
float: left;
padding-left: 20px;
}
.click{
width: 100px;
height: 40px;
display: block;
text-align: center;
background: #1CAF9A;
color: #FFFFFF;
}
.noneclick {
width: 100px;
height: 40px;
display: block;
text-align: center;
color: #000000;
}
</style>
</head>
<body>
<ul id="menu">
<li><span class="noneclick">報警配置</span></li>
<li><span class="noneclick">地圖配置</span></li>
<li><span class="noneclick">服務器配置</span></li>
<li><span class="noneclick">圖標配置</span></li>
<li><span class="noneclick">崗位配置</span></li>
</ul>
<script>
$('#menu li span').click(function () {
var f = this;
$('#menu li span').each(function () {
this.className = this == f ? 'click' : 'noneclick'
});
});
</script>
</body>
</html>
複製代碼
原文做者:祈澈姑娘 90後前端妹子,愛編程,愛運營,文藝與代碼齊飛,魅力與智慧共存的程序媛一枚。前端