Polymer property not in element

Question

My Code:

<custom-x xy-user='online'></custom-x>

Element:

...
<div class='{{xyUser}}'></div>
...

Polymer({
    is: 'custom-x',

    properites: {
        xyUser: String
    }
});

But if i run the code and inspect it, the only thing i see is:

<div class='style-scope custom-x'></div>

I want to see the online as class. How is this possible...

Thanks in advance ;)

Answer 1

Use like this:

<div class$='{{xyUser}}'></div>

the $= is for data binding.