Question

please can you tell me why this wont work.

If I call s.A why wont the alert show.

var s = {

    A: function () { alert("test A"); },
    B: function () { alert("test B"); }

};


s.A;

thanks

Answer 1

Try

s.A();

A is a function. If you just say s.A; all you’re doing is emitting the reference to what A is, e.g. if I whack s.A; into Chrome’s javaScript console I get the following:

Notice how all it did was output the function definition?

Now, if I say `s.A();’ I get what you originally expected – it fires the function: