AJAX Page - JSVisible attribute

Using this attribute to a server method makes that method available also on client side.

Server Side
        public string ComputeAge(string name, int yearBorn, int yearNow)
            int age = yearNow - yearBorn;
            return name + " is " + age + " years old.";

Client Side
        // instead of
        AddParam("yearBorn", 1982);
        AddParam("yearNow", 2006);
        AddParam("name", "John");
        alert(ob_post.post(null, "ComputeAge"));

        // you can use
        alert(ComputeAge("John", 1982, 2006));

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