1. @DomName('WebGLRenderingContext.blendEquation')
  2. @DocsEditable()
void blendEquation(int mode)

Source 

@DomName('WebGLRenderingContext.blendEquation')
@DocsEditable()
void blendEquation(int mode) => _blink.BlinkWebGLRenderingContext.instance
    .blendEquation_Callback_1_(this, mode);