Behavior of progress indicator.
that have this behavior applied by default:
max=float- maximum value, 1.0 by default;
value=float- progress value, decimal number in
0.0 ... maxrange.
name="name"- standard attribute name - name of the element.
If the element has no max and no value attributes defined it gets rendered with infinite animation.
N/A - no specific events.
float, progress value in
0.0 ... max range.
N/A - behavior:progress does not introduce any specific methods.