代码如下：
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title></title>
<script src="js/mui.min.js"></script>
<link href="css/mui.min.css" rel="stylesheet" />
<style>
</style>
<script type="text/javascript" charset="utf-8">
</script>
</head>
<body>
<!-- 主界面不动、菜单移动 -->
<!-- 侧滑导航根容器 -->
<div class="mui-off-canvas-wrap mui-draggable mui-slide-in">
<!-- 菜单容器 -->
<aside class="mui-off-canvas-left" id="offCanvasSide">
<div class="mui-scroll-wrapper">
<div class="mui-scroll">
<!-- 菜单具体展示内容 -->
<ul class="mui-table-view mui-table-view-chevron mui-table-view-inverted">
<li class="mui-table-view-cell" style="background-color: deepskyblue;font-size: 25px;">
<strong>菜单导航</strong>
</li>
</ul>
<ul class="mui-table-view mui-table-view-chevron mui-table-view-inverted">
<li class="mui-table-view-cell" style="background-color: orange;">
<a class="mui-navigate-right">
首页
</a>
</li>
<li class="mui-table-view-cell">
<a class="mui-navigate-right">
网站导航
</a>
</li>
<li class="mui-table-view-cell">
<a class="mui-navigate-right">
博客文章
</a>
</li>
<li class="mui-table-view-cell">
<a class="mui-navigate-right">
视频教程
</a>
</li>
<li class="mui-table-view-cell">
<a class="mui-navigate-right">
关于作者
</a>
</li>
<li class="mui-table-view-cell">
<a class="mui-navigate-right">
留言板
</a>
</li>
</ul>
</div>
</div>
</aside>
<!-- 主页面容器 -->
<div class="mui-inner-wrap">
<!-- 主页面标题 -->
<header class="mui-bar mui-bar-nav">
<a class="mui-icon mui-action-menu mui-icon-bars mui-pull-left" href="#offCanvasSide"></a>
<h1 class="mui-title">萧潇墨个人网站</h1>
</header>
<div class="mui-content mui-scroll-wrapper">
<div class="mui-scroll">
<!-- 主界面具体展示内容 -->
<!--顶部div-->
<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
<div class="mui-scroll">
<a class="mui-control-item mui-active" href="#item1mobile" data-wid="tab-top-subpage-1.html">
推荐
</a>
<a class="mui-control-item test">
热点
</a>
<a class="mui-control-item" href="#item3mobile" data-wid="tab-top-subpage-3.html">
北京
</a>
<a class="mui-control-item" href="#item4mobile" data-wid="tab-top-subpage-4.html">
社会
</a>
<a class="mui-control-item" href="#item5mobile" data-wid="tab-top-subpage-5.html">
娱乐
</a>
</div>
</div>
<div class="content" id="item1mobile">
推荐
</div>
<div class="content" id="item2mobile">
热点
</div>
</div>
</div>
<div class="mui-off-canvas-backdrop"></div>
</div>
</div>
<script>
mui(".mui-scroll").on("tap", ".test", function() {
console.log("执行了")
var va = this.innerText
alert(va)
});
</script>
</body>
但是每次执行都是打印两次 求解
