1. DomName('WebGL2RenderingContext.getFramebufferAttachmentParameter')
  2. DocsEditable()
  3. Experimental()
Object getFramebufferAttachmentParameter(int target, int attachment, int pname)

Source 

@DomName('WebGL2RenderingContext.getFramebufferAttachmentParameter')
@DocsEditable()
@Experimental() // untriaged
Object getFramebufferAttachmentParameter(int target, int attachment, int pname) => (_blink.BlinkWebGL2RenderingContext.instance.getFramebufferAttachmentParameter_Callback_3_(this, target, attachment, pname));