Question

I want to pass a value from my Java class to Javascript. I have set the value in portletSession. I don’t know how to get a value from portletSession into the Javascript.

Here is the code I have used to set the value in the portletSession.

 PortletSession portletSession = request.getPortletSession();
 portletSession.setAttribute("noExist", noExist);

How can I do that?

Answer 1

Don’t use portletSession, use Cookie instead. You can access cookies from javascript using document.cookies

But there is another way: just print the variable into script block and javascript can read it.

var variableFromJSP = <% print variable here %>;

hope this help