How to print a Struts2 ActionMessage in a JavaScript alert box

Question

I have one Action class which is sending an action message using addActionMessage();.

I want to display that message in my JSP using a Jav

Answer 1

The tag generates an HTML like the following:

    

        
            Your Message 1
        
    
    

        
            Your Message 2, and so on...
        
    

This will break your javascript function with invalid JS code:

alert('

        

      ... 
     ');

The solution is to manually iterate over your messages, and build the output by yourself, with , instead of using :

Also remember to wrap the single quotes from your actionMessages.