多行文本溢出浏览器适配解决办法

JS：

var module = document.getElementById("clamp-this-module");  //获取其文本对象， 需要设置其width
$clamp(module, {clamp: 2});  //设置行数

需要导入champ.js（这里附上其js代码）：

/*!
* Clamp.js 0.5.1
*
* Copyright 2011-2013, Joseph Schmitt http://joe.sh
* Released under the WTFPL license
* http://sam.zoy.org/wtfpl/
*/
(function(){window.$clamp=function(c,d){function s(a,b){n.getComputedStyle||(n.getComputedStyle=function(a,b){this.el=a;this.getPropertyValue=function(b){var c=/(\-([a-z]){1})/g;"float"==b&&(b="styleFloat");c.test(b)&&(b=b.replace(c,function(a,b,c){return c.toUpperCase()}));return a.currentStyle&&a.currentStyle[b]?a.currentStyle[b]:null};return this});return n.getComputedStyle(a,null).getPropertyValue(b)}function t(a){a=a||c.clientHeight;var b=u(c);return Math.max(Math.floor(a/b),0)}function x(a){return u(c)*
    a}function u(a){var b=s(a,"line-height");"normal"==b&&(b=1.2*parseInt(s(a,"font-size")));return parseInt(b)}function l(a){if(a.lastChild.children&&0