1. @DomName('WebGLRenderingContext.blendEquationSeparate')
  2. @DocsEditable()
void blendEquationSeparate(int modeRGB, int modeAlpha)

Source 

@DomName('WebGLRenderingContext.blendEquationSeparate')
@DocsEditable()
void blendEquationSeparate(int modeRGB, int modeAlpha) =>
    _blink.BlinkWebGLRenderingContext.instance
        .blendEquationSeparate_Callback_2_(this, modeRGB, modeAlpha);