1. DomName('WebGLRenderingContext.getFramebufferAttachmentParameter')
  2. DocsEditable()
Object getFramebufferAttachmentParameter(int target, int attachment, int pname)

Source 

@DomName('WebGLRenderingContext.getFramebufferAttachmentParameter')
@DocsEditable()
Object getFramebufferAttachmentParameter(int target, int attachment, int pname) => (_blink.BlinkWebGLRenderingContext.instance.getFramebufferAttachmentParameter_Callback_3_(this, target, attachment, pname));