feature: vor und nachteile

praesentation/node_modules/time-span/readme.md

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+# time-span
+
+> Simplified high resolution timing
+
+Uses [`process.hrtime`](https://nodejs.org/api/process.html#processhrtimebigint) in Node.js and [`performance.now`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/now) in browsers ([accurate to 5 microseconds](https://developer.mozilla.org/en-US/docs/Web/API/DOMHighResTimeStamp)).
+
+## Install
+
+```
+$ npm install time-span
+```
+
+## Usage
+
+```js
+import timeSpan from 'time-span';
+
+const end = timeSpan();
+
+timeConsumingFn();
+
+console.log(end());
+//=> 1745.3186
+
+console.log(end.rounded());
+//=> 1745
+
+console.log(end.seconds());
+//=> 1.7453186
+```
+
+## API
+
+### `const end = timeSpan()`
+
+Returns a function, that when called, returns the time difference.
+
+#### end()
+
+Elapsed milliseconds.
+
+#### end.rounded()
+
+Elapsed milliseconds rounded.
+
+#### end.seconds()
+
+Elapsed seconds.
+
+#### end.nanoseconds()
+
+Elapsed nanoseconds.