1. @DomName('WebGLRenderingContext.getVertexAttrib')
  2. @DocsEditable()
Object getVertexAttrib(int index, int pname)

Source 

@DomName('WebGLRenderingContext.getVertexAttrib')
@DocsEditable()
Object getVertexAttrib(int index, int pname) =>
    (_blink.BlinkWebGLRenderingContext.instance
        .getVertexAttrib_Callback_2_(this, index, pname));