1. DomName('WebGLRenderingContext.drawArrays')
  2. DocsEditable()
void drawArrays(int mode, int first, int count)

Source 

@DomName('WebGLRenderingContext.drawArrays')
@DocsEditable()
void drawArrays(int mode, int first, int count) => _blink.BlinkWebGLRenderingContext.instance.drawArrays_Callback_3_(this, mode, first, count);