String globalCompositeOperation

Source 

@DomName('CanvasRenderingContext2D.globalCompositeOperation')
@DocsEditable()
String get globalCompositeOperation =>
    _blink.BlinkCanvasRenderingContext2D.instance
        .globalCompositeOperation_Getter_(this);
void globalCompositeOperation=(String value)

Source 

@DomName('CanvasRenderingContext2D.globalCompositeOperation')
@DocsEditable()
set globalCompositeOperation(String value) =>
    _blink.BlinkCanvasRenderingContext2D.instance
        .globalCompositeOperation_Setter_(this, value);