[转]给moizlla添加ie方法和属性

来源：互联网发布：c语言高级编程书籍编辑：程序博客网时间：2024/05/16 13:46

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<title> 新文档 </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="FlashSoft">
<meta name="Keywords" content="">
<meta name="Description" content="FlashSoft">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<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
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  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);
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Node.prototype.removeNode=function(removeChildren){// 删除指定节点
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  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(){
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  var node=this;
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  return a;
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HTMLElement.prototype.__defineGetter__("parentElement",function(){
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  return this.parentNode;
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HTMLElement.prototype.__defineGetter__("children",function(){
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  var j=0;
  var n;
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HTMLElement.prototype.__defineGetter__("currentStyle", function(){
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HTMLElement.prototype.__defineSetter__("outerHTML",function(sHTML){
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  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>
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