找到一点js兼容问题，记录下

IE和Mozilla的一点js区别

这个我不晓得怎么样复制表格进来  就整个html源码拿过来了

<table cellspacing="0" cellpadding="10" width="770" border="1">
    <tbody>
        <tr>
            <td>IE</td>
            <td>Mozilla</td>
            <td>说明</td>
        </tr>
        <tr>
            <td>document.body.clientHeight(clientWidth)根据HTML的DTD而定方能得到准确值。</td>
            <td>window.innerHeight(innerWidth)根据HTML的DTD而定方能得到准确值。</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>opacity(aplha=20)</td>
            <td>MozOpacity=&quot;0.2&quot;</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>event.clientY(clientX)</td>
            <td>event.pageY(pageX)</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>event.keyCode</td>
            <td>event.which</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>event.srcElement</td>
            <td>event.target</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>window.external.AddFavorite('never-online.net', &quot;never-online'website&quot;); </td>
            <td>window.sidebar.addPanel('never-online.net', &quot;never-online'website&quot;, &quot;&quot;);</td>
            <td>此为添加到收藏夹代码，要兼容更多的浏览器，请看<a target="_blank" href="http://blog.never-online.net/article.asp?id=108">这里的代码</a></td>
        </tr>
        <tr>
            <td>(DHTML事件-滚轮事件)onmousewheel</td>
            <td>DOMMouseScroll</td>
            <td><a target="_blank" href="http://blog.never-online.net/article.asp?id=67">可参看我的blog这篇文章</a></td>
        </tr>
        <tr>
            <td>window.showModalDialog</td>
            <td>window.open(url, &quot;name&quot;, &quot;modal=yes&quot;)</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>createPopup()</td>
            <td>xul</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>htc控件</td>
            <td>xbl绑定</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>filter滤镜</td>
            <td>只支持alpha（透明度，部分可通过clip来模拟）</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>obj.setCapture()</td>
            <td>window.captureEvents(Event.eventType)</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>obj.attachEvent(type, listener)</td>
            <td>obj.addEventListener(type, listener, useCapture)</td>
            <td>添加事件的方法，如果要兼容，有几种方法，如用Mozilla的读写器来模拟IE的方法，或者用一个全局函数addEvent(type, listener, useCapture)来统一事件处理，或者写一个Event Manager更好一些，也可以在这里统一避免<a target="_blank" href="http://blog.never-online.net/article.asp?id=105">内存泄露</a></td>
        </tr>
        <tr>
            <td>obj.detachEvent(type, listener)</td>
            <td>obj.removeEventListener(type, listener, useCapture)</td>
            <td>一般情况下，用了attachEvent(addEventListener)方法，最好在beforeunload事件里用detach方法释放掉，这是个好习惯（偷懒的话就不说了:D）</td>
        </tr>
        <tr>
            <td>支持Webdings字体</td>
            <td>不支持Webdings字体</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>insertAdjacentHTML, insertAdjacentElement方法</td>
            <td>本身不支持，但可通过insertBefore或通过Range实现</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>不支持</td>
            <td>读写器__defineSetter(Getter)__</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>不支持</td>
            <td>支持对Element，EVENT等对象的prototype模式支持</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>不支持</td>
            <td>对节点有nodeType常量属性</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>new ActiveXObject(&quot;MSXML2.XMLHTTP&quot;)或更高版本的ProgId</td>
            <td>XMLHttpRequest对象</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>设置类似style.top=20这样的高度时，可不使用单位</td>
            <td>设置类似style.top=20+'px'这样的高度时，必须使用单位，否则无效</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>CSS的类名，不区分大小写（大小写不敏感）</td>
            <td>CSS的类名，区分大小写（大小写敏感）如：.myCss和.mycss类名就是不相同的</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>冒泡事件event.cancelBubble=true</td>
            <td>event.stopPropagation()（需要传递event事件）</td>
            <td>&nbsp;</td>
        </tr>
        <tr>
            <td>CSS padding宽度并不在offset偏移坐标之内</td>
            <td>CSS padding宽度默认是在offset偏移坐标之内，可用-moz-box-sizing:border-box来设置即可基本与IE相同</td>
            <td><a target="_blank" href="http://www.never-online.net/reference/Mozilla%20CSS/box-sizing.html">可参见我这篇文章的代码</a></td>
        </tr>
        <tr>
            <td>js动态加载xslt文件将xml转化成HTML，IE可用xmldoc.transformNode(xslDocument)方法</td>
            <td>Mozilla中相对麻烦一些，要经过几道工序XSLTProcessor对象,transformToFragment或其它方法</td>
            <td><a target="_blank" href="http://blog.never-online.net/article.asp?id=62">可参见我这篇文章的示例教程和代码</a></td>
        </tr>
        <tr>
            <td>持客户端存储数据-userData</td>
            <td>不支持</td>
            <td>&nbsp;</td>
        </tr>
    </tbody>
</table>