feature: vor und nachteile

praesentation/node_modules/time-span/browser.js

@@ -0,0 +1,10 @@
+export default function timeSpan() {
+	const start = performance.now();
+
+	const end = () => performance.now() - start;
+	end.rounded = () => Math.round(end());
+	end.seconds = () => end() / 1000;
+	end.nanoseconds = () => end() * 1000000;
+
+	return end;
+}