1. @DomName('WebGL2RenderingContext.blendEquation')
  2. @DocsEditable()
  3. @Experimental()
void blendEquation(int mode)

Source 

@DomName('WebGL2RenderingContext.blendEquation')
@DocsEditable()
@Experimental() // untriaged
void blendEquation(int mode) => _blink.BlinkWebGL2RenderingContext.instance
    .blendEquation_Callback_1_(this, mode);