JavaScript Detach 方式传递参数

<script type="text/javascript">

var tag_p ;

var test_Fn = function (opt){
return  function (){
console.log(opt);
}
}
window.onload = function (){
tag_p = document.getElementById("tag_p");
var _opt ={
parm :{id:"001",type:"2"},
callback :function(){
console.log("act here");
}
}
var _act = test_Fn(_opt)
if(window.addEventListener){  事件监听 not IE
tag_p.addEventListener("click",_act,false);
}

}

</script>