Update split.js

split.js

@@ -5,9 +5,9 @@ https://github.com/samuelbradshaw/transcript-tracer-js
 */
 
 
-if (typeof window.addEventListener !== "undefined" && window.addEventListener) {
+if (window.addEventListener) {
     window.addEventListener("resize", browserResize);
-} else if (typeof window.attachEvent !== "undefined" && window.attachEvent) {
+} else if (window.attachEvent) {
     window.attachEvent("onresize", browserResize);
 }