1. DomName('WebGLRenderingContext.getExtension')
  2. DocsEditable()
Object getExtension(String name)

Source 

@DomName('WebGLRenderingContext.getExtension')
@DocsEditable()
Object getExtension(String name) => (_blink.BlinkWebGLRenderingContext.instance.getExtension_Callback_1_(this, name));