今天写一个前端页面的小功能,选中某个按钮或者菜单的时候颜色发生变化,以便用户区分自己选中的选项,这也是一种前端日常工作之中优化项。 效果是这样的:
代码是这样的:
<!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">报警配置</span></li>
<li><span class="noneclick">地图配置</span></li>
<li><span class="noneclick">服务器配置</span></li>
<li><span class="noneclick">图标配置</span></li>
<li><span class="noneclick">岗位配置</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>