Using JSP code in JavaScript

Question

I want to use JSTL\'s fmt tag in JavaScript to localize my alert messages. My JavaScript file is a standalone file and when I include fmt tag in js, the file browser gives J

Answer 1

is it possible to treat .js file as .jsp file using web.xml configuration?

Yes:

    scriptjsp
    /script.jsp 


    scriptjsp
    /script.js

But, there is no actual advantage in doing this, because JavaScript files do not have to have URLs ending in ‘.js’. What determines whether a file is a JavaScript file is what MIME media type it is served as. You can set this from JSP using:

<%@ page contentType="text/javascript" %>

at the top. Then you can link directly to:

(Aside: in current browsers, scripts linked to with the

(changing 'en' to match whichever language you want), and in that file define a lookup like:

var msg= {
    messageName: 'Message in English',
    ...
};

Then look up msg.messageName for each localisable string in the script.