bootstrap scrolling listener
<span style="color: #0000ff;"><!</span><span style="color: #ff00ff;">DOCTYPE html</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">html </span><span style="color: #ff0000;">lang</span><span style="color: #0000ff;">="zh-cn"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">meta </span><span style="color: #ff0000;">charset</span><span style="color: #0000ff;">="UTF-8"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">meta </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="viewport"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>下拉菜单和滚动监听插件<span style="color: #0000ff;"></</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/bootstrap.min.css"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">body </span><span style="color: #ff0000;">data-spy</span><span style="color: #0000ff;">="scroll"</span><span style="color: #ff0000;"> data-target</span><span style="color: #0000ff;">="#nav"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">nav </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="nav"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="navbar navbar-default navbar-fixed-top"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="navbar-brand"</span><span style="color: #0000ff;">></span>Web开发<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="nav navbar-nav"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#html5"</span><span style="color: #0000ff;">></span>HTML5<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#bootstrap"</span><span style="color: #0000ff;">></span>Bootstrap<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#"</span><span style="color: #ff0000;"> data-toggle</span><span style="color: #0000ff;">="dropdown"</span><span style="color: #0000ff;">></span>JavaScript <span style="color: #0000ff;"><</span><span style="color: #800000;">span </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="caret"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">span</span><span style="color: #0000ff;">></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="dropdown-menu"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#jquery"</span><span style="color: #0000ff;">></span>jQuery<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#yui"</span><span style="color: #0000ff;">></span>Yui<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#extjs"</span><span style="color: #0000ff;">></span>ExtJS<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">nav</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="content"</span><span style="color: #ff0000;"> data-offset</span><span style="color: #0000ff;">="0"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="padding: 0 10px;height: 2000px;position: relative;"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="sec"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">h4 </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="html5"</span><span style="color: #0000ff;">></span>HTML5 <span style="color: #0000ff;"><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="#"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="removeSec(this)"</span><span style="color: #0000ff;">></span>删除<span style="color: #0000ff;"></</span><span style="color: #800000;">a</span><span style="color: #0000ff;">></</span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>标准通用标记语言下的一个应用HTML 标准自1999 年12 月发布的HTML4.01后,后继的HTML5 和其它标准被束之高阁,为了推动Web 标准化运动的发展,一些公司联合起来,成立了一个叫做Web Hypertext Application Technology Working Group(Web 超文本应用技术工作组-WHATWG) 的组织。WHA。在2006 年,双方决定进行合作,来创建一个新版本的HTML。<span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="sec"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">h4 </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="bootstrap"</span><span style="color: #0000ff;">></span>Bootstrap<span style="color: #0000ff;"></</span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>Bootstrap,来自Twitter,是目前很受欢迎的前端框架。Bootstrap 是基于HTML、CSS、JAVASCRIPT 的,它简洁灵活,使得Web 开发更加快捷。[1] 它由Twitter的设计师Mark Otto 和Jacob Thornton 合作开发,是一个CSS/HTML 框架。Bootstrap提供了优雅的HTML 和CSS 规范,它即是由动态CSS 语言Less 写成。Bootstrap 一经推出后颇受欢迎,一直是GitHub 上的热门开源项目,包括NASA 的MSNBC(微软全国广播公司)的Breaking News 都使用了该项目。[2] 国内一些移动开发者较为熟悉的框架,如WeX5前端开源框架等,也是基于Bootstrap 源码进行性能优化而来。[3] <span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="sec"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">h4 </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="jquery"</span><span style="color: #0000ff;">></span>jQuery<span style="color: #0000ff;"></</span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>JQuery 是继prototype 之后又一个优秀的Javascript 库。它是轻量级的js库,它兼容CSS3,还兼容各种浏览器(IE 6.0+, FF 1.5+, Safari 2.0+, Opera 9.0+),jQuery2.0 及后续版本将不再支持IE6/7/8 浏览器。jQuery 使用户能更方便地处理HTML(标准通用标记语言下的一个应用)、events、实现动画效果,并且方便地为网站提供AJAX交互。jQuery 还有一个比较大的优势是,它的文档说明很全,而且各种应用也说得很详细,同时还有许多成熟的插件可供选择。jQuery 能够使用户的html 页面保持代码和html 内容分离,也就是说,不用再在html 里面插入一堆js 来调用命令了,只需要定义id 即可。<span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="sec"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">h4 </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="yui"</span><span style="color: #0000ff;">></span>Yui<span style="color: #0000ff;"></</span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>近几年随着jQuery、Ext 以及CSS3 的发展,以Bootstrap 为代表的前端开发框架如雨后春笋般挤入视野,可谓应接不暇。不论是桌面浏览器端还是移动端都涌现出很多优秀的框架,极大丰富了开发素材,也方便了大家的开发。这些框架各有特点,本文对这些框架进行初步的介绍与比较,希望能够为大家选择框架提供一点帮助,也为后续详细研究这些框架的抛砖引玉。<span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="sec"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">h4 </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="extjs"</span><span style="color: #0000ff;">></span>Extjs<span style="color: #0000ff;"></</span><span style="color: #800000;">h4</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>ExtJS 可以用来开发RIA 也即富客户端的AJAX 应用,是一个用javascript写的,主要用于创建前端用户界面,是一个与后台技术无关的前端ajax 框架。因此,可以把ExtJS 用在.Net、Java、Php 等各种开发语言开发的应用中。ExtJs 最开始基于YUI 技术,由开发人员JackSlocum 开发,通过参考JavaSwing 等机制来组织可视化组件,无论从UI 界面上CSS 样式的应用,到数据解析上的异常处理,都可算是一款不可多得的JavaScript 客户端技术的精品。<span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">script </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="js/jquery.min.js"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">script </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="js/bootstrap.min.js"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><</span><span style="color: #800000;">script </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/javascript"</span><span style="color: #0000ff;">></span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> $('#btn').dropdown();</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> $('#btn').dropdown('toggle');</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> $('#dropdown').on('show.bs.dropdown', function () {</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> alert('调用show方法时执行');</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> });</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> $('#content').scrollspy({</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> offset : 0,</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> target : '#nav',</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> });</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> $('#nav').on('activate.bs.scrollspy', function () {</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> alert('新条目被激活!');</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> });</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> removeSec(e) { $(e).parents(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">.sec</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).remove(); $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#content</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).scrollspy(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">refresh</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); } </span><span style="color: #0000ff;"></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></</span><span style="color: #800000;">html</span><span style="color: #0000ff;">><br></span>

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