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30-seconds-of-code/snippets/timeTaken.md
Angelos Chalaris 8281457945 Updated examples
Removed duplicate and unnecessary examples.
2018-01-04 14:22:56 +02:00

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Markdown

### timeTaken
Measures the time taken by a function to execute.
Use `console.time()` and `console.timeEnd()` to measure the difference between the start and end times to determine how long the callback took to execute.
```js
const timeTaken = callback => {
console.time('timeTaken');
const r = callback();
console.timeEnd('timeTaken');
return r;
};
```
```js
timeTaken(() => Math.pow(2, 10)); // 1024, (logged): timeTaken: 0.02099609375ms
```