zoukankan      html  css  js  c++  java
  • 让firefox支持IE的一些属性

    IE有很多好用的扩展是firefox 不支持的,比如firefox不支持children属性,还有很多,网上见到一些扩张的代码,摘录如下

    <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>

  • 相关阅读:
    sprintf函数%u输入long long int型数值异常
    关于smarty模板display函数的$compile_id 参数的意义
    打log的时候如果少写一个%d,cgi会core掉
    c++标准库的源码和SIG实现是什么关系
    2010
    jquery 中jsonp原理最简说明
    1月17日stl string阅读笔记
    Moss母版页制作详解(一)
    Moss中的权限操作
    动态添加和删除表格行
  • 原文地址:https://www.cnblogs.com/jiangchongwei/p/1275727.html
Copyright © 2011-2022 走看看