如果内容太宽,请在HTML标记中插入省略号(…)

2020/11/11 18:43 · javascript ·  · 0评论

我有一个带有弹性布局的网页,如果调整了浏览器窗口的大小,该网页的宽度就会改变。

在此布局中,标题(h2)的长度是可变的(实际上是我无法控制的博客文章的标题)。当前-如果它们比窗口宽-分为两行。

是否有一种经过测试的(跨浏览器)优雅的解决方案(例如jQuery),可以缩短标题标签的innerHTML并在文本太宽而无法在当前屏幕/容器宽度?

我有一个可以在FF3,Safari和IE6 +中使用单行和多行文本的解决方案

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
}

.ellipsis.multiline {
    white-space: normal;
}

<div class="ellipsis" style="width: 100px; border: 1px solid black;">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>
<div class="ellipsis multiline" style="width: 100px; height: 40px; border: 1px solid black; margin-bottom: 100px">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>

<script type="text/javascript" src="/js/jquery.ellipsis.js"></script>
<script type="text/javascript">
$(".ellipsis").ellipsis();
</script>

jquery.ellipsis.js

(function($) {
    $.fn.ellipsis = function()
    {
        return this.each(function()
        {
            var el = $(this);

            if(el.css("overflow") == "hidden")
            {
                var text = el.html();
                var multiline = el.hasClass('multiline');
                var t = $(this.cloneNode(true))
                    .hide()
                    .css('position', 'absolute')
                    .css('overflow', 'visible')
                    .width(multiline ? el.width() : 'auto')
                    .height(multiline ? 'auto' : el.height())
                    ;

                el.after(t);

                function height() { return t.height() > el.height(); };
                function width() { return t.width() > el.width(); };

                var func = multiline ? height : width;

                while (text.length > 0 && func())
                {
                    text = text.substr(0, text.length - 1);
                    t.html(text + "...");
                }

                el.html(t.html());
                t.remove();
            }
        });
    };
})(jQuery);

下列用于仅在一行上截断文本的仅CSS解决方案适用于http://www.caniuse.com上列出的所有浏览器,而Firefox 6.0除外。请注意,除非您需要支持包装多行文本或Firefox的早期版本,否则完全不需要JavaScript。

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
}

如果您需要早期版本的Firefox支持,请查看我对其他问题的回答

我使用许多其他帖子构建了此代码,并进行了以下增强:

  1. 它使用二进制搜索来找到恰到好处的文本长度。
  2. 它通过设置单次显示事件来处理最初隐藏省略号元素的情况,该事件一次显示该项目时会重新运行省略号代码。这对于最初未显示某些项目的主从视图或树视图非常方便。
  3. 可以选择将title属性与原始文本一起添加,以提供悬停效果。
  4. 添加display: block到样式中,因此工作跨度
  5. 它使用省略号而不是3个句点。
  6. 它会自动使用.ellipsis类运行脚本

CSS:

.ellipsis {
        white-space: nowrap;
        overflow: hidden;
        display: block;
}

.ellipsis.multiline {
        white-space: normal;
}

jquery.ellipsis.js

(function ($) {

    // this is a binary search that operates via a function
    // func should return < 0 if it should search smaller values
    // func should return > 0 if it should search larger values
    // func should return = 0 if the exact value is found
    // Note: this function handles multiple matches and will return the last match
    // this returns -1 if no match is found
    function binarySearch(length, func) {
        var low = 0;
        var high = length - 1;
        var best = -1;
        var mid;

        while (low <= high) {
            mid = ~ ~((low + high) / 2); //~~ is a fast way to convert something to an int
            var result = func(mid);
            if (result < 0) {
                high = mid - 1;
            } else if (result > 0) {
                low = mid + 1;
            } else {
                best = mid;
                low = mid + 1;
            }
        }

        return best;
    }

    // setup handlers for events for show/hide
    $.each(["show", "toggleClass", "addClass", "removeClass"], function () {

        //get the old function, e.g. $.fn.show   or $.fn.hide
        var oldFn = $.fn[this];
        $.fn[this] = function () {

            // get the items that are currently hidden
            var hidden = this.find(":hidden").add(this.filter(":hidden"));

            // run the original function
            var result = oldFn.apply(this, arguments);

            // for all of the hidden elements that are now visible
            hidden.filter(":visible").each(function () {
                // trigger the show msg
                $(this).triggerHandler("show");
            });

            return result;
        };
    });

    // create the ellipsis function
    // when addTooltip = true, add a title attribute with the original text
    $.fn.ellipsis = function (addTooltip) {

        return this.each(function () {
            var el = $(this);

            if (el.is(":visible")) {

                if (el.css("overflow") === "hidden") {
                    var content = el.html();
                    var multiline = el.hasClass('multiline');
                    var tempElement = $(this.cloneNode(true))
                        .hide()
                        .css('position', 'absolute')
                        .css('overflow', 'visible')
                        .width(multiline ? el.width() : 'auto')
                        .height(multiline ? 'auto' : el.height())
                    ;

                    el.after(tempElement);

                    var tooTallFunc = function () {
                        return tempElement.height() > el.height();
                    };

                    var tooWideFunc = function () {
                        return tempElement.width() > el.width();
                    };

                    var tooLongFunc = multiline ? tooTallFunc : tooWideFunc;

                    // if the element is too long...
                    if (tooLongFunc()) {

                        var tooltipText = null;
                        // if a tooltip was requested...
                        if (addTooltip) {
                            // trim leading/trailing whitespace
                            // and consolidate internal whitespace to a single space
                            tooltipText = $.trim(el.text()).replace(/\s\s+/g, ' ');
                        }

                        var originalContent = content;

                        var createContentFunc = function (i) {
                            content = originalContent.substr(0, i);
                            tempElement.html(content + "…");
                        };

                        var searchFunc = function (i) {
                            createContentFunc(i);
                            if (tooLongFunc()) {
                                return -1;
                            }
                            return 0;
                        };

                        var len = binarySearch(content.length - 1, searchFunc);

                        createContentFunc(len);

                        el.html(tempElement.html());

                        // add the tooltip if appropriate
                        if (tooltipText !== null) {
                            el.attr('title', tooltipText);
                        }
                    }

                    tempElement.remove();
                }
            }
            else {
                // if this isn't visible, then hook up the show event
                el.one('show', function () {
                    $(this).ellipsis(addTooltip);
                });
            }
        });
    };

    // ellipsification for items with an ellipsis
    $(document).ready(function () {
        $('.ellipsis').ellipsis(true);
    });

} (jQuery));

以防万一您最终在2013年到这里-这是我在这里找到的纯CSS方法:http : //css-tricks.com/snippets/css/truncate-string-with-ellipsis/

.truncate {
  width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

效果很好。

我的答案仅支持单行文字。在下面查看gfullam对多行fork的评论,它看起来很有前途。

我将第一个答案的代码重写了几次,我认为这应该是最快的。

它首先找到一个“估计的”文本长度,然后添加或删除一个字符,直到宽度正确为止。

它使用的逻辑如下所示:

enter image description here

找到“估计的”文本长度后,添加或删除字符,直到达到所需的宽度。

我确定需要进行一些调整,但这是以下代码:

(function ($) {
    $.fn.ellipsis = function () {
        return this.each(function () {
            var el = $(this);

            if (el.css("overflow") == "hidden") {
                var text = el.html().trim();
                var t = $(this.cloneNode(true))
                                        .hide()
                                        .css('position', 'absolute')
                                        .css('overflow', 'visible')
                                        .width('auto')
                                        .height(el.height())
                                        ;
                el.after(t);

                function width() { return t.width() > el.width(); };

                if (width()) {

                    var myElipse = "....";

                    t.html(text);

                    var suggestedCharLength = (text.length * el.width() / t.width()) - myElipse.length;

                    t.html(text.substr(0, suggestedCharLength) + myElipse);

                    var x = 1;
                    if (width()) {
                        while (width()) {
                            t.html(text.substr(0, suggestedCharLength - x) + myElipse);
                            x++;
                        }
                    }
                    else {
                        while (!width()) {
                            t.html(text.substr(0, suggestedCharLength + x) + myElipse);
                            x++;
                        }
                        x--;
                        t.html(text.substr(0, suggestedCharLength + x) + myElipse);
                    }

                    el.html(t.html());
                    t.remove();
                }
            }
        });
    };
})(jQuery);

我做了一个非常酷的jQuery插件,用于处理各种形式的省略号,这是一个称为ThreeDots @ http://tpgblog.com/threedots的插件

它比CSS方法灵活得多,并且支持更高级,可自定义的行为和交互。

请享用。

更加灵活的jQuery插件,使您可以在省略号后保留元素(例如,“阅读更多”按钮)并更新onWindowResize。它还适用于带有标记的文本:

http://dotdotdot.frebsite.nl

trunk8 jQuery插件支持多行,并且可以使用任何html(不只是省略号)作为截断后缀:https : //github.com/rviscomi/trunk8

演示在这里:http : //jrvis.com/trunk8/

实际上利用IE通过非标准和FF支持扩展这一事实,在CSS中实际上是一种非常简单的方法:after

如果愿意,您也可以在JS中执行此操作,方法是检查目标的scrollWidth并将其与父对象的宽度进行比较,但是恕我直言,这种方法不那么可靠。

编辑:这显然比我想象的要发达。CSS3支持可能很快就会存在,并且一些不完善的扩展可供您尝试。

最后一本是一本好书。

我最近为客户做了类似的事情。这是我为他们所做的工作的一个版本(示例在Win Vista上的所有最新浏览器版本中进行了测试)。并非全盘完美,但可以很容易地进行调整。

演示:http//enobrev.info/ellipsis/

码:

<html>
    <head>
        <script src="http://www.google.com/jsapi"></script>
        <script>            
            google.load("jquery", "1.2.6");
            google.setOnLoadCallback(function() {
                $('.longtext').each(function() {
                    if ($(this).attr('scrollWidth') > $(this).width()) {
                        $more = $('<b class="more">&hellip;</b>');

                        // add it to the dom first, so it will have dimensions
                        $(this).append($more);

                        // now set the position
                        $more.css({
                            top: '-' + $(this).height() + 'px',
                            left: ($(this).attr('offsetWidth') - $more.attr('offsetWidth')) + 'px'
                        });
                    }
                });
            });
        </script>

        <style>
            .longtext {
                height: 20px;
                width: 300px;
                overflow: hidden;
                white-space: nowrap;
                border: 1px solid #f00;
            }

            .more {
                z-index: 10;
                position: relative;
                display: block;
                background-color: #fff;
                width: 18px;
                padding: 0 2px;
            }
        </style>
    </head>
    <body>
        <p class="longtext">This is some really long text.  This is some really long text.  This is some really long text.  This is some really long text.</p>
    </body>
</html>

好吧,一个简单的解决方案是不添加“ ...”,但确实防止<h2>分成两行,那就是添加以下css:

h2 {
    height:some_height_in_px; /* this is the height of the line */
    overflow:hidden; /* so that the second (or third, fourth, etc.)
                        line is not visible */
}

我再三考虑,然后提出了这个解决方案,您必须将h2标签的文本内容换成另一个标签(例如span)(或者将h2s换成具有给定高度的东西),然后您可以使用这种javascript过滤掉不需要的单词:

var elems = document.getElementById('conainter_of_h2s').
                     getElementsByTagName('h2');

    for ( var i = 0, l = elems.length; i < l; i++) {
        var span = elems.item(i).getElementsByTagName('span')[0];
        if ( span.offsetHeight > elems.item(i).offsetHeight ) {
            var text_arr = span.innerHTML.split(' ');
            for ( var j = text_arr.length - 1; j>0 ; j--) {
                delete text_arr[j];
                span.innerHTML = text_arr.join(' ') + '...';
                if ( span.offsetHeight <= 
                                        elems.item(i).offsetHeight ){
                    break;
                }
            }
        }
    }

这是另一个JavaScript解决方案。工作非常好,非常快。

https://github.com/dobiatowski/jQuery.FastEllipsis

在Windows和Mac上的Chrome,FF,IE上进行了测试。

有一种使用纯CSS的多行文字的解决方案。称为line-clamp,但仅在Webkit浏览器中有效。但是,有一种方法可以在所有现代浏览器中(比IE8都新的东西)来模仿。此外,它仅适用于纯色背景,因为您需要背景图片来隐藏最后一行的最后一个单词。这是怎么回事:

鉴于此html:

<p class="example" id="example-1">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>

这是CSS:

p {
    position:relative;
    line-height:1.4em;
    height:4.2em;      /* 3 times the line-height to show 3 lines */
}
p::after {
    content:"...";
    font-weight:bold;
    position:absolute;
    bottom:0;
    right:0;
    padding:0 20px 1px 45px;
    background:url(ellipsis_bg.png) repeat-y;
}

ellipsis_bg.png是与背景颜色相同的图像,宽度约为100px,高度与行高相同。

它不是很漂亮,因为您的文本可能会在字母中间被剪掉,但在某些情况下可能很有用。

参考:http : //www.css-101.org/articles/line-clamp/line-clamp_for_non_webkit-based_browsers.php

用于文本内容的纯CSS多行省略号:

.container{
    position: relative;  /* Essential */
    background-color: #bbb;  /* Essential */
    padding: 20px; /* Arbritrary */
}
.text {
    overflow: hidden;  /* Essential */
    /*text-overflow: ellipsis; Not needed */
    line-height: 16px;  /* Essential */
    max-height: 48px; /* Multiples of line-height */
}
.ellipsis {
    position: absolute;/* Relies on relative container */
    bottom: 20px; /* Matches container padding */
    right: 20px; /* Matches container padding */
    height: 16px; /* Matches line height */
    width: 30px; /* Arbritrary */
    background-color: inherit; /* Essential...or specify a color */
    padding-left: 8px; /* Arbritrary */
}
<div class="container">
    <div class="text">
        Lorem ipsum dolor sit amet, consectetur eu in adipiscing elit. Aliquam consectetur venenatis blandit. Praesent vehicula, libero non pretium vulputate, lacus arcu facilisis lectus, sed feugiat tellus nulla eu dolor. Nulla porta bibendum lectus quis euismod. Aliquam volutpat ultricies porttitor. Cras risus nisi, accumsan vel cursus ut, sollicitudin vitae dolor. Fusce scelerisque eleifend lectus in bibendum. Suspendisse lacinia egestas felis a volutpat. Aliquam volutpat ultricies porttitor. Cras risus nisi, accumsan vel cursus ut, sollicitudin vitae dolor. Fusce scelerisque eleifend lectus in bibendum. Suspendisse lacinia egestas felis a volutpat.
    </div>
    <div class="ellipsis">...</div>
</div>

请查看代码段以获取实时示例。

这类似于Alex的方法,但是以对数时间而不是线性的方式进行,并且采用maxHeight参数。

jQuery.fn.ellipsis = function(text, maxHeight) {
  var element = $(this);
  var characters = text.length;
  var step = text.length / 2;
  var newText = text;
  while (step > 0) {
    element.html(newText);
    if (element.outerHeight() <= maxHeight) {
      if (text.length == newText.length) {
        step = 0;
      } else {
        characters += step;
        newText = text.substring(0, characters);
      }
    } else {
      characters -= step;
      newText = newText.substring(0, characters);
    }
    step = parseInt(step / 2);
  }
  if (text.length > newText.length) {
    element.html(newText + "...");
    while (element.outerHeight() > maxHeight && newText.length >= 1) {
      newText = newText.substring(0, newText.length - 1);
      element.html(newText + "...");
    }
  }
};

Devon Govett有一个简单的jQuery解决方案

https://gist.github.com/digulla/5796047

要使用,只需在jQuery对象上调用ellipsis()即可。例如:

$(“ span”)。ellipsis();

我将Alex的函数重写为MooTools库。我将其更改为单词跳转,而不是在单词中间添加省略号。

Element.implement({
ellipsis: function() {
    if(this.getStyle("overflow") == "hidden") {
        var text = this.get('html');
        var multiline = this.hasClass('multiline');
        var t = this.clone()
            .setStyle('display', 'none')
            .setStyle('position', 'absolute')
            .setStyle('overflow', 'visible')
            .setStyle('width', multiline ? this.getSize().x : 'auto')
            .setStyle('height', multiline ? 'auto' : this.getSize().y)
            .inject(this, 'after');

        function height() { return t.measure(t.getSize).y > this.getSize().y; };
        function width() { return t.measure(t.getSize().x > this.getSize().x; };

        var func = multiline ? height.bind(this) : width.bind(this);

        while (text.length > 0 && func()) {
            text = text.substr(0, text.lastIndexOf(' '));
            t.set('html', text + "...");
        }

        this.set('html', t.get('html'));
        t.dispose();
    }
}
});

我找不到一个完全符合我想要的脚本的脚本,而我自己的jQuery脚本也是如此-相当多的选项可以设置更多:)

https://github.com/rmorse/AutoEllipsis

不过,我对CSS的行为感到有些惊讶。

var cssEllipsis = 
{   "width": "100%","display": "inline-block", 
"vertical-align": "middle", "white-space": "nowrap", 
"overflow": "hidden", "text-overflow": "ellipsis" 
};

除非我为需要绑定省略号的控件提供宽度,否则不会阻止我的事业。宽度是否必须添加?请发表您的想法。

使用CSS进行省略号

<html>
<head>
<style type="text/css">
#ellipsisdiv {
    width:200px;
    white-space: nowrap;  
    overflow: hidden;  
    text-overflow: ellipsis;  
}  
</style>
</head>
<body>
<div id="ellipsisdiv">
This content is more than 200px and see how the the ellipsis comes at the end when the content width exceeds the div width.
</div>
</body>
</html>

*此代码可在大多数当前浏览器上使用。如果您在Opera和IE中遇到任何问题(可能不会),请以以下方式添加这些:

-o-text-overflow: ellipsis;  
-ms-text-overflow: ellipsis;

*此功能是CSS3的一部分。它的完整语法为:

text-overflow: clip|ellipsis|string;

这是一个不错的窗口小部件/插件库,其中内置了省略号:http : //www.codeitbetter.co.uk/widgets/ellipsis/您需要做的所有操作均引用该库并调用以下代码:

<script type="text/javascript"> 
   $(document).ready(function () { 
      $(".ellipsis_10").Ellipsis({ 
         numberOfCharacters: 10, 
         showLessText: "less", 
         showMoreText: "more" 
      }); 
   }); 
</script> 
<div class="ellipsis_10"> 
   Some text here that's longer than 10 characters. 
</div>

您可以仅使用css轻松完成此操作,例如:sass模式

.truncatedText {
   font-size: 0.875em;
   line-height: 1.2em;
   height: 2.4em; // 2 lines * line-height
   &:after {
      content: " ...";
   }
}

并且您有省略号;)

就像@acSlater一样,我找不到适合我需要的东西,所以我自己动手了。共享以防其他人使用:

方法:

ellipsisIfNecessary(mystring,maxlength);

用法:

trimmedString = ellipsisIfNecessary(mystring,50);

代码和演示链接:https : //gist.github.com/cemerson/10368014

<html>
<head>
    <!-- By Warren E. Downs, copyright 2016.  Based loosely on a single/multiline JQuery using example by Alex,
    but optimized to avoid JQuery, to use binary search, to use CSS text-overflow: ellipsis for end,
    and adding marquee option as well.
    Credit: Marquee: http://jsfiddle.net/jonathansampson/xxuxd/
            JQuery version: http://stackoverflow.com/questions/536814/insert-ellipsis-into-html-tag-if-content-too-wide
            (by Alex, http://stackoverflow.com/users/71953/alex)
            (Improved with Binary Search as suggested by StanleyH, http://stackoverflow.com/users/475848/stanleyh)
    -->
    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
    <meta content="utf-8" http-equiv="encoding">
    <style>

        .single {
            overflow:hidden;
            white-space: nowrap;
            width: 10em;
            padding: 10px;
            margin: 0 auto;
            border: solid 1px blue;
        }

        .multiline {
            overflow: hidden;
            white-space: wrap;
            width: 10em;
            height: 4.5em;
            padding: 10px;
            margin: 0 auto;
            border: solid 1px blue;
        }

        .marquee {
            overflow: hidden;
            width: 40em;
            padding: 10px;
            margin: 0 auto;
            border: solid 1px blue;
        }

</style>
    <script>
        var _marqueeNumber=0;
        // mode=start,end,middle
        function clipText(text, len, mode) {
            if(!mode) { mode="end"; }
            else { mode=mode.toLowerCase(); }
            if(mode == "start") { return "&hellip;"+clipText(text,len,"_start"); }
            if(mode == "_start") { return text.substr(text.length - len); }
            if(mode == "middle") { 
                return clipText(text, len/2, "end") + clipText(text, len/2, "_start");
            }
            return text.substr(0, len) + "&hellip;";
        }

        function generateKeyframes(clsName, start, end) {
            var sec=5;
            var totalLen=parseFloat(start)-parseFloat(end);
            if(start.indexOf('em') > -1)      { sec=Math.round(totalLen/3); }
            else if(start.indexOf('px') > -1) { sec=Math.round(totalLen/42); }

            var style = document.createElement('style');
            style.type = 'text/css';
            style.innerHTML = 'body {}';
            document.getElementsByTagName('head')[0].appendChild(style);
            this.stylesheet = document.styleSheets[document.styleSheets.length-1];
            try {
                this.stylesheet.insertRule('.'+clsName+' {\n'+
                    '    animation: '+clsName+' '+sec+'s linear infinite;\n'+
                    '}\n', this.stylesheet.rules.length);
                this.stylesheet.insertRule('.'+clsName+':hover {\n'+
                    '    animation-play-state: paused\n'+
                    '}\n', this.stylesheet.rules.length);
                this.stylesheet.insertRule('@keyframes '+clsName+' {\n'+
                    '    0%   { text-indent: '+start+' }\n'+
                    '    100% { text-indent: '+end+' }\n'+
                    '}', this.stylesheet.rules.length);
            } catch (e) {
                console.log(e.message);
            }
        }

        function addClone(el, multiline, estyle) {
            if(!estyle) { 
                try { estyle=window.getComputedStyle(el); }
                catch(e) { return null; }
            }
            var t = el.cloneNode(true);
            var s=t.style;
            //s.display='none';
            s.visibility='hidden'; // WARNING: Infinite loop if this is not hidden (e.g. while testing)
            s.display='inline-block';
            s.background='black';
            s.color='white';
            s.position='absolute';
            s.left=0;
            s.top=0;
            s.overflow='visible';
            s.width=(multiline ? parseFloat(estyle.width) : 'auto');
            s.height=(multiline ? 'auto' : parseFloat(estyle.height));

            el.parentNode.insertBefore(t, el.nextSibling);

            return t;
        }
        function getTextWidth(el, multiline) {
            var t=addClone(el, multiline);
            if(!t) { return null; }
            var ts=window.getComputedStyle(t);
            var w=ts.width;
            if(multiline) {
                var es=window.getComputedStyle(el);
                var lines=Math.round(parseInt(ts.height)/parseInt(es.height))*2+0.5;
                w=w+'';
                var unit=''; // Extract unit
                for(var xa=0; xa<w.length; xa++) {
                    var c=w[xa];
                    if(c <= '0' || c >= '9') { unit=w.substr(xa-1); }
                }
                w=parseFloat(w);
                w*=lines; // Multiply by lines
                w+=unit; // Append unit again
            }
            t.parentNode.removeChild(t);
            return w;
        }

        // cls=class of element to ellipsize
        // mode=start,end,middle,marq (scrolling marquee instead of clip)
        function ellipsis(cls, mode) {
            mode=mode.toLowerCase();
            var elems=document.getElementsByClassName(cls);
            for(xa in elems) {
                var el=elems[xa];
                var multiline = el.className ? el.className.indexOf('multiline') > -1 : true;
                if(mode == "marq") {       
                    var w=getTextWidth(el, multiline);
                    if(!w) { continue; }
                    var mCls="dsmarquee"+(_marqueeNumber++);
                    var es=window.getComputedStyle(el);
                    generateKeyframes(mCls,es.width, '-'+w);
                    el.className+=" "+mCls; 
                    continue; 
                }
                if(mode == "end" && !multiline) { el.style.textOverflow="ellipsis"; continue; }
                var estyle=null;
                try { estyle=window.getComputedStyle(el); }
                catch(e) { continue; }
                if(estyle.overflow == "hidden") {
                    var text = el.innerHTML;
                    var t=addClone(el, multiline, estyle);

                    function height() {
                        var ts=window.getComputedStyle(t);
                        var es=window.getComputedStyle(el);
                        return parseFloat(ts.height) - parseFloat(es.height); 
                    }
                    function width() { 
                        var ts=window.getComputedStyle(t);
                        var es=window.getComputedStyle(el);
                        return parseFloat(ts.width) - parseFloat(es.width); 
                    }

                    var tooLong = multiline ? height : width;

                    var len=text.length;
                    var diff=1;
                    var olen=0;
                    var jump=len/2;
                    while (len > 0) {
                        var diff=tooLong();
                        if(diff > 0) { len-=jump; jump/=2; }
                        else if(diff < 0) { len+=jump; }
                        len=Math.round(len);
                        //alert('len='+len+';olen='+olen+';diff='+diff+';jump='+jump+';t='+JSON.stringify(t.innerHTML));
                        t.innerHTML=clipText(text, len, mode);
                        if(olen == len) { break; }
                        olen=len;
                    }
                    el.innerHTML=t.innerHTML;
                    t.parentNode.removeChild(t);
                }           
                //break;
                t.style.visibility='hidden';
            }
        }

        function testHarness() {
            ellipsis('ellipsis1', 'start'); 
            ellipsis('ellipsis2', 'end'); 
            ellipsis('ellipsis3', 'middle'); 
            ellipsis('marquee', 'marq')
        }
    </script>
    </head>
    <body onload="testHarness()">
    <div class="single ellipsis1" style="float:left">some long text that should be clipped left</div>
    <div class="single ellipsis2" style="float:right">right clip long text that should be clipped</div>
    <div class="single ellipsis3" style="float:center">some long text that should be clipped in the middle</div>

    <br />

    <p class="single marquee">Windows 8 and Windows RT are focused on your life—your friends and family, your apps, and your stuff. With new things like the <a href="http://windows.microsoft.com/en-US/windows-8/start-screen">Start screen</a>, <a href="http://windows.microsoft.com/en-US/windows-8/charms">charms</a>, and a <a href="http://windows.microsoft.com/en-US/windows-8/microsoft-account">Microsoft account</a>, you can spend less time searching and more time doing.</p>
    &nbsp;

    <br />

    <div class="multiline ellipsis1" style="float:left">Test test test test test test, some more long text, such as asdasdasdasdasd, that should be multiline clipped left(*)</div>

    <div class="multiline ellipsis2" style="float:right">right clip multiline long text, such as Test test test test test test, and some more long text that should be multiline clipped right.</div>

    <div class="multiline ellipsis3" style="float:center">Test test test test test test, some more long text, such as asdasdasdasdasd, that should be multiline clipped in the middle(*)</div>

    <br />

    <p class="multiline marquee">Multiline Marquee: Windows 8 and Windows RT are focused on your life—your friends and family, your apps, and your stuff. With new things like the <a href="http://windows.microsoft.com/en-US/windows-8/start-screen">Start screen</a>, <a href="http://windows.microsoft.com/en-US/windows-8/charms">charms</a>, and a <a href="http://windows.microsoft.com/en-US/windows-8/microsoft-account">Microsoft account</a>, you can spend less time searching and more time doing.</p>
    &nbsp;

    </body>
</html>
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