代码如下：
复制代码 代码如下:
var br={};
br.eventrouter = {};
br.eventrouter.addlisten = function(el,eventtype,func){
if(!el.eventobjs){
el.eventobjs = {};
}
if(!el.eventobjs[eventtype]){
el.eventobjs[eventtype]=[];
br.eventrouter.bindlisten(el,eventtype);
}
el.eventobjs[eventtype].push(func);
};
br.eventrouter.removelisten = function(el,eventtype,func){
if(el.eventobjs && el.eventobjs[eventtype]){
for(var i=0,len=el.eventobjs[eventtype].length;ivar item = el.eventobjs[eventtype][i];
if(func==item){
el.eventobjs[eventtype].splice(i,1);
return true;
}
}
}
return false;
};
br.eventrouter.bindlisten = function(el,eventtype){
if(el.eventobjs && el.eventobjs[eventtype]){
el[eventtype] = function(e){
for(var i=0,len=el.eventobjs[eventtype].length;ivar f = el.eventobjs[eventtype][i];
f.call(el,e);
}
};
}
};
代码比较简单，不做过多解释。也希望有兴趣的同学给出bug。