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));