给moz-firefox下添加IE方法和属性


Posted in Javascript onApril 10, 2007

在IECN看到心云写的关于互换select的JS,因里面用到removeNode和swapNode等方法,导致在Firefox下无效。刚刚Google了下,发现可以通过自定义原型来修正只在IE下有效的属性与方法。

原文参考:http://www.phpx.com/happy/top97619.html

修改方案如下:

<script language="javascript" type="text/javascript">
<!--
if(window.Event){// 修正Event的DOM
    /*
                                IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    event                        yes        yes            yes            yes                    yes
    event.returnValue            yes        yes            no            no                    no
    event.cancelBubble            yes        yes            no            no                    no
    event.srcElement            yes        yes            no            no                    no
    event.fromElement            yes        yes            no            no                    no

    */
    Event.prototype.__defineSetter__("returnValue",function(b){// 
        if(!b)this.preventDefault();
        return b;
        });
    Event.prototype.__defineSetter__("cancelBubble",function(b){// 设置或者检索当前事件句柄的层次冒泡
        if(b)this.stopPropagation();
        return b;
        });
    Event.prototype.__defineGetter__("srcElement",function(){
        var node=this.target;
        while(node.nodeType!=1)node=node.parentNode;
        return node;
        });
    Event.prototype.__defineGetter__("fromElement",function(){// 返回鼠标移出的源节点
        var node;
        if(this.type=="mouseover")
            node=this.relatedTarget;
        else if(this.type=="mouseout")
            node=this.target;
        if(!node)return;
        while(node.nodeType!=1)node=node.parentNode;
        return node;
        });
    Event.prototype.__defineGetter__("toElement",function(){// 返回鼠标移入的源节点
        var node;
        if(this.type=="mouseout")
            node=this.relatedTarget;
        else if(this.type=="mouseover")
            node=this.target;
        if(!node)return;
        while(node.nodeType!=1)node=node.parentNode;
        return node;
        });
    Event.prototype.__defineGetter__("offsetX",function(){
        return this.layerX;
        });
    Event.prototype.__defineGetter__("offsetY",function(){
        return this.layerY;
        });
    }
if(window.Document){// 修正Document的DOM
    /*
                                IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    document.documentElement    yes        yes            yes            yes                    no
    document.activeElement        yes        null        no            no                    no

    */
    }
if(window.Node){// 修正Node的DOM
    /*
                                IE5        MacIE5        Mozilla        Konqueror2.2        Opera5
    Node.contains                yes        yes            no            no                    yes
    Node.replaceNode            yes        no            no            no                    no
    Node.removeNode                yes        no            no            no                    no
    Node.children                yes        yes            no            no                    no
    Node.hasChildNodes            yes        yes            yes            yes                    no
    Node.childNodes                yes        yes            yes            yes                    no
    Node.swapNode                yes        no            no            no                    no
    Node.currentStyle            yes        yes            no            no                    no

    */
    Node.prototype.replaceNode=function(Node){// 替换指定节点
        this.parentNode.replaceChild(Node,this);
        }
    Node.prototype.removeNode=function(removeChildren){// 删除指定节点
        if(removeChildren)
            return this.parentNode.removeChild(this);
        else{
            var range=document.createRange();
            range.selectNodeContents(this);
            return this.parentNode.replaceChild(range.extractContents(),this);
            }
        }
    Node.prototype.swapNode=function(Node){// 交换节点
        var nextSibling=this.nextSibling;
        var parentNode=this.parentNode;
        node.parentNode.replaceChild(this,Node);
        parentNode.insertBefore(node,nextSibling);
        }
    }
if(window.HTMLElement){
    HTMLElement.prototype.__defineGetter__("all",function(){
        var a=this.getElementsByTagName("*");
        var node=this;
        a.tags=function(sTagName){
            return node.getElementsByTagName(sTagName);
            }
        return a;
        });
    HTMLElement.prototype.__defineGetter__("parentElement",function(){
        if(this.parentNode==this.ownerDocument)return null;
        return this.parentNode;
        });
    HTMLElement.prototype.__defineGetter__("children",function(){
        var tmp=[];
        var j=0;
        var n;
        for(var i=0;i<this.childNodes.length;i++){
            n=this.childNodes[i];
            if(n.nodeType==1){
                tmp[j++]=n;
                if(n.name){
                    if(!tmp[n.name])
                        tmp[n.name]=[];
                    tmp[n.name][tmp[n.name].length]=n;
                    }
                if(n.id)
                    tmp[n.id]=n;
                }
            }
        return tmp;
        });
    HTMLElement.prototype.__defineGetter__("currentStyle", function(){
        return this.ownerDocument.defaultView.getComputedStyle(this,null);
        });
    HTMLElement.prototype.__defineSetter__("outerHTML",function(sHTML){
        var r=this.ownerDocument.createRange();
        r.setStartBefore(this);
        var df=r.createContextualFragment(sHTML);
        this.parentNode.replaceChild(df,this);
        return sHTML;
        });
    HTMLElement.prototype.__defineGetter__("outerHTML",function(){
        var attr;
        var attrs=this.attributes;
        var str="<"+this.tagName;
        for(var i=0;i<attrs.length;i++){
            attr=attrs[i];
            if(attr.specified)
                str+=" "+attr.name+'="'+attr.value+'"';
            }
        if(!this.canHaveChildren)
            return str+">";
        return str+">"+this.innerHTML+"</"+this.tagName+">";
        });
    HTMLElement.prototype.__defineGetter__("canHaveChildren",function(){
        switch(this.tagName.toLowerCase()){
            case "area":
            case "base":
            case "basefont":
            case "col":
            case "frame":
            case "hr":
            case "img":
            case "br":
            case "input":
            case "isindex":
            case "link":
            case "meta":
            case "param":
                return false;
            }
        return true;
        });

    HTMLElement.prototype.__defineSetter__("innerText",function(sText){
        var parsedText=document.createTextNode(sText);
        this.innerHTML=parsedText;
        return parsedText;
        });
    HTMLElement.prototype.__defineGetter__("innerText",function(){
        var r=this.ownerDocument.createRange();
        r.selectNodeContents(this);
        return r.toString();
        });
    HTMLElement.prototype.__defineSetter__("outerText",function(sText){
        var parsedText=document.createTextNode(sText);
        this.outerHTML=parsedText;
        return parsedText;
        });
    HTMLElement.prototype.__defineGetter__("outerText",function(){
        var r=this.ownerDocument.createRange();
        r.selectNodeContents(this);
        return r.toString();
        });
    HTMLElement.prototype.attachEvent=function(sType,fHandler){
        var shortTypeName=sType.replace(/on/,"");
        fHandler._ieEmuEventHandler=function(e){
            window.event=e;
            return fHandler();
            }
        this.addEventListener(shortTypeName,fHandler._ieEmuEventHandler,false);
        }
    HTMLElement.prototype.detachEvent=function(sType,fHandler){
        var shortTypeName=sType.replace(/on/,"");
        if(typeof(fHandler._ieEmuEventHandler)=="function")
            this.removeEventListener(shortTypeName,fHandler._ieEmuEventHandler,false);
        else
            this.removeEventListener(shortTypeName,fHandler,true);
        }
    HTMLElement.prototype.contains=function(Node){// 是否包含某节点
        do if(Node==this)return true;
        while(Node=Node.parentNode);
        return false;
        }
    HTMLElement.prototype.insertAdjacentElement=function(where,parsedNode){
        switch(where){
            case "beforeBegin":
                this.parentNode.insertBefore(parsedNode,this);
                break;
            case "afterBegin":
                this.insertBefore(parsedNode,this.firstChild);
                break;
            case "beforeEnd":
                this.appendChild(parsedNode);
                break;
            case "afterEnd":
                if(this.nextSibling)
                    this.parentNode.insertBefore(parsedNode,this.nextSibling);
                else
                    this.parentNode.appendChild(parsedNode);
                break;
            }
        }
    HTMLElement.prototype.insertAdjacentHTML=function(where,htmlStr){
        var r=this.ownerDocument.createRange();
        r.setStartBefore(this);
        var parsedHTML=r.createContextualFragment(htmlStr);
        this.insertAdjacentElement(where,parsedHTML);
        }
    HTMLElement.prototype.insertAdjacentText=function(where,txtStr){
        var parsedText=document.createTextNode(txtStr);
        this.insertAdjacentElement(where,parsedText);
        }
    HTMLElement.prototype.attachEvent=function(sType,fHandler){
        var shortTypeName=sType.replace(/on/,"");
        fHandler._ieEmuEventHandler=function(e){
            window.event=e;
            return fHandler();
            }
        this.addEventListener(shortTypeName,fHandler._ieEmuEventHandler,false);
        }
    HTMLElement.prototype.detachEvent=function(sType,fHandler){
        var shortTypeName=sType.replace(/on/,"");
        if(typeof(fHandler._ieEmuEventHandler)=="function")
            this.removeEventListener(shortTypeName,fHandler._ieEmuEventHandler,false);
        else
            this.removeEventListener(shortTypeName,fHandler,true);
        }
    }
//-->
</script>

Javascript 相关文章推荐
javascript iframe编程相关代码
Dec 28 Javascript
『JavaScript』限制Input只能输入数字实现思路及代码
Apr 22 Javascript
JavaScript中判断对象类型的几种方法总结
Nov 11 Javascript
利用JQuery阻止事件冒泡
Dec 01 Javascript
Angular2使用Augury来调试Angular2程序
May 21 Javascript
Angularjs的键盘事件的绑定
Jul 27 Javascript
JavaScript数据结构之双向链表定义与使用方法示例
Oct 27 Javascript
webpack4的迁移的使用方法
May 25 Javascript
JS无限级导航菜单实现方法
Jan 05 Javascript
JS实现换肤功能的方法实例详解
Jan 30 Javascript
微信小程序批量上传图片到七牛(推荐)
Dec 19 Javascript
Vue3新特性之在Composition API中使用CSS Modules
Jul 13 Javascript
用javascript父窗口控制只弹出一个子窗口
Apr 10 #Javascript
javascript 控制弹出窗口
Apr 10 #Javascript
javascript应用:Iframe自适应其加载的内容高度
Apr 10 #Javascript
用javascript动态调整iframe高度的代码
Apr 10 #Javascript
Javascript下的keyCode键码值表
Apr 10 #Javascript
用javascript控制iframe滚动的代码
Apr 10 #Javascript
经常用到的JavasScript事件的翻译
Apr 09 #Javascript
You might like
ZF等常用php框架中存在的问题
2008/01/10 PHP
对text数据类型不支持代码页转换 从: 1252 到: 936
2011/04/23 PHP
PHP程序漏洞产生的原因分析与防范方法说明
2014/03/06 PHP
php读取富文本的时p标签会出现红线是怎么回事
2014/05/13 PHP
在WordPress中使用wp-cron插件来设置定时任务
2015/12/10 PHP
PHP实现的通过参数生成MYSQL语句类完整实例
2016/04/11 PHP
巧妙破除网页右键禁用的十大绝招
2006/08/12 Javascript
javascript编程起步(第四课)
2007/02/27 Javascript
js操作二级联动实现代码
2010/07/27 Javascript
JS实现仿Windows经典风格的选项卡Tab切换代码
2015/10/20 Javascript
Vue.js教程之计算属性
2016/11/11 Javascript
package.json文件配置详解
2017/06/15 Javascript
Angular路由ui-router配置详解
2018/08/01 Javascript
vue-router的HTML5 History 模式设置
2018/09/08 Javascript
Vue中的Props(不可变状态)
2018/09/29 Javascript
JS学习笔记之原型链和利用原型实现继承详解
2019/05/29 Javascript
微信小程序indexOf的替换方法(推荐)
2020/01/14 Javascript
JavaScript数组排序的六种常见算法总结
2020/08/18 Javascript
vue router-link 默认a标签去除下划线的实现
2020/11/06 Javascript
python和C语言混合编程实例
2014/06/04 Python
基于Python的身份证号码自动生成程序
2014/08/15 Python
python提示No module named images的解决方法
2014/09/29 Python
Python中一行和多行import模块问题
2018/04/01 Python
python pytest进阶之fixture详解
2019/06/27 Python
git查看、创建、删除、本地、远程分支方法详解
2020/02/18 Python
eBay荷兰购物网站:eBay.nl
2020/06/26 全球购物
代理商会议邀请函
2014/01/27 职场文书
大学生安全责任书
2014/07/25 职场文书
学校联谊协议书
2014/09/16 职场文书
2014年班组工作总结
2014/11/20 职场文书
2015年安全月活动总结
2015/03/26 职场文书
2015学校图书管理员工作总结
2015/05/11 职场文书
商标侵权律师函
2015/05/27 职场文书
初中团委工作总结
2015/08/13 职场文书
心得体会该怎么写呢?
2019/06/27 职场文书
java.util.NoSuchElementException原因及两种解决方法
2022/06/28 Java/Android