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) => wrap_jso(_blink.BlinkWebGLRenderingContext.instance.getFramebufferAttachmentParameter_Callback_3_(unwrap_jso(this), target, attachment, pname));