Getting backing bean value with Javascript

Question

JSF 2.0, Mojarra 2.0.1, PrimeFaces 3.4.1

There are similar questions but I need sth. else; javascript function has to wait for the backing bean method, whic

Answer 1

EL in your JavaScript is calculated when page is rendered and you can update its container (if it is in some JSF component), but I would suggest another approach.

As you are making AJAX request, you can add callback parameter in getStatuses() method. You can use Primefaces's RequestContext utility method addCallBackParam() for this:

public void getStatuses() {
    this.panelList = fillList();
    this.size = panelList.size();
    RequestContext.getCurrentInstance().addCallBackParam("size", this.size);
}

and you can use this parameter in xhtml: