does vaadin not support ie10?

I found this http://demo.vaadin.com/sampler/#ui/structure/horizontal-split-panel page counld show properly under IE10,but when i paste source code in my project, it can not work.I also found many base UI component can not work under IE10.Anyone can help me?Thanks

What Vaadin version are you using in your project? And what do you mean by ‘doesn’t work’; is the component visible? hidden? do you get an error message?