js自定义回调函数

var CallbackFun = function(){
        this.name =‘ddd‘;
        this.method =function(callback){
            if(typeof callback==="function"){
                callback(this.name);
            }
        }
        
    }
    
    $(function(){
        var call = new CallbackFun();
        call.method(function(name){
            alert(name);
        });
    })