1. DomName('WebGLRenderingContext.isRenderbuffer')
  2. DocsEditable()
bool isRenderbuffer(Renderbuffer renderbuffer)

Source 

@DomName('WebGLRenderingContext.isRenderbuffer')
@DocsEditable()
bool isRenderbuffer(Renderbuffer renderbuffer) => _blink.BlinkWebGLRenderingContext.instance.isRenderbuffer_Callback_1_(this, renderbuffer);