lukehoban · September 26, 2014 18:57
diff --git a/gistfile1.ts b/gistfile1.ts
 function $(x: string | Element): { elem: Element } {
  if(x instanceof Element) {
    return { elem: document.getElementById(x) } // do I have to say <string>x here?
  } else {
    return { elem: x } // do I have to say <Element>x here?
  }
 }
	function $(x: string \| Element): { elem: Element } {
	if(x instanceof Element) {
	return { elem: document.getElementById(x) } // do I have to say <string>x here?
	} else {
	return { elem: x } // do I have to say <Element>x here?
	}
	}