解决Firefox下不支持outerHTML问题代码分享

代码很简单，如下：

复制代码

代码如下:

var pro = window.htmlelement.prototype;
pro.__definegetter__("outerhtml", function(){
var str = "<" + this.tagname;
var a = this.attributes;
for(var i = 0, len = a.length; i < len; i++){
if(a[i].specified){
str += " " + a[i].name + '="' + a[i].value + '"';
}
}
if(!this.canhavechildren){
return str + " />";
}
return str + ">" + this.innerhtml + "</" + this.tagname + ">";
});
pro.__definesetter__("outerhtml", function(s){
var r = this.ownerdocument.createrange();
r.setstartbefore(this);
var df = r.createcontextualfragment(s);
this.parentnode.replacechild(df, this);
return s;
});
pro.__definegetter__("canhavechildren", function(){
return !/^(area|base|basefont|col|frame|hr|img|br|input|isindex|link|meta|param)$/.test(this.tagname.tolowercase());
});