单行及多行文本溢出以省略号显示的方法总结_html/css_WEB-ITnose
需求：
在前端页面布局中，经常会有因文字过多而影响页面排版。特别是在移动端页面中，因屏幕宽度不够段落文字如完全显示则会打乱布局。因此若段落文字能根据屏幕空余大小而显示就完美了，也就是若屏幕够大，段落文字就完全显示，若屏幕很小，则段落文字以省略号的形式部分显示。
解决办法：
在CSS3中有text-overflow属性，不熟悉的同学可以点此查询。用来实现单行文本的溢出显示省略号，单行文本的溢出显示省略号在现代浏览器及移动端都能实现兼容。
效果如图：
实现方法：
<p>作为微软的游戏平台，Xbox已经出现在了Windows Phone和Windows 8中，就在最近，微软宣布将旗下的Zune消费品牌也一并整合至Xbox品牌下，Xbox Live服务影响力越来越大，渗透面也越来越广。</p>
p { width: 410px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }问题来了：如果我们要实现多行文本溢出显示省略号呢？
解决办法：Webkit支持一个名为-webkit-line-clamp的属性，不熟悉的同学可以点此查询。这个属性是一个 不规范的属性（unsupported WebKit property），它没有出现在 CSS 规范草案中。但在webkit内核的浏览器中可以使用。
效果如图：
实现方法：
<p>作为微软的游戏平台，Xbox已经出现在了Windows Phone和Windows 8中，就在最近，微软宣布将旗下的Zune消费品牌也一并整合至Xbox品牌下，Xbox Live服务影响力越来越大，渗透面也越来越广。</p>固定一个喜欢的网站可不可以？当然！把每天常去的网站统统固定到开始屏幕中。如何固定？打开 IE10，在网页空白处点击鼠标右键，在应用栏中点击“图钉”图标即可完成固定。
先前给大家介绍了很好用的 Colors！今天给大家介绍一款风格不同的画画软件——Fresh Paint，我们可以用它画出油画。
.figcaption { background: #EEE; width: 410px; height: 3em; margin: 1em; } .figcaption p { line-height: 1.5em; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; /*因使用了WebKit的CSS扩展属性，该方法适用于WebKit浏览器及移动端；*/ }问题又来了：如何在其他主流浏览器中实现完美兼容呢？看来还得靠JS实现
解决办法：
（实现原理：通过从后向前逐个替换末尾字符，直至元素的高度小于父元素高度）
<script src="http://apps.bdimg.com/libs/jquery/1.11.3/jquery.min.js"></script><script type="text/javascript"> $(".figcaption").each(function(i) { var divH = $(this).height(); var $p = $("p", $(this)).eq(0); while ($p.outerHeight() > divH) { $p.text($p.text().replace(/(\s)*([a-zA-Z0-9]+|\W)(\.\.\.)?$/, "...")); }; });</script>
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