1. @DomName('WebGL2RenderingContext.getShaderParameter')
  2. @DocsEditable()
  3. @Experimental()
Object getShaderParameter(Shader shader, int pname)

Source 

@DomName('WebGL2RenderingContext.getShaderParameter')
@DocsEditable()
@Experimental() // untriaged
Object getShaderParameter(Shader shader, int pname) =>
    (_blink.BlinkWebGL2RenderingContext.instance
        .getShaderParameter_Callback_2_(this, shader, pname));