new

function news(obj,...args){
    var obj2 = {};
    obj2.__proto__ = obj.prototype
    obj.call(obj2)
    for(var i=0;i<args.length;i++){
        var key = Object.keys(obj2)[i];
        obj2[key] = args[i]
    }
    // let obj3 = Array.apply(obj2,obj.prototype.constructor)
    return obj2;
}