When you call

module.exports.token=

You are actually creating a property with an empty string.

You can change module.exports.token inside your gentoken function and it
will work as expected.
El oct 30, 2013 7:52 p.m., "rendallo" <[email protected]> escribió:

> Hi and sorry in advance for this very basic question:
> I got a module login.js which should create some token and provide it to
> other modules.
> So my idea is to create a variable token and a function genToken(callback).
>
> ----------------------------------------------------
> var token = "";
>
> function genToken(callback) {
>   token = "blabla";
>   callback();
> }
>
> module.exports.token = token;
> module.exports.genToken = genToken;
>
> -----------------------------------------------------
>
>
> Now I'm trying to use this in my main code:
>
> -----------------------------------------------------
> var login = require("./login");
>
> function continuef() {
>   console.log("Token is:" + login.token);
> }
>
> login.genToken(continuef);
>
> -----------------------------------------------------
>
> The token-Variable is always "". I would have expected the change would
> take effect. How should I implement this?
>
> Best regards
>
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