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# ms | |
[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms) | |
[![Slack Channel](http://zeit-slackin.now.sh/badge.svg)](https://zeit.chat/) | |
Use this package to easily convert various time formats to milliseconds. | |
## Examples | |
```js | |
ms('2 days') // 172800000 | |
ms('1d') // 86400000 | |
ms('10h') // 36000000 | |
ms('2.5 hrs') // 9000000 | |
ms('2h') // 7200000 | |
ms('1m') // 60000 | |
ms('5s') // 5000 | |
ms('1y') // 31557600000 | |
ms('100') // 100 | |
``` | |
### Convert from milliseconds | |
```js | |
ms(60000) // "1m" | |
ms(2 * 60000) // "2m" | |
ms(ms('10 hours')) // "10h" | |
``` | |
### Time format written-out | |
```js | |
ms(60000, { long: true }) // "1 minute" | |
ms(2 * 60000, { long: true }) // "2 minutes" | |
ms(ms('10 hours'), { long: true }) // "10 hours" | |
``` | |
## Features | |
- Works both in [node](https://nodejs.org) and in the browser. | |
- If a number is supplied to `ms`, a string with a unit is returned. | |
- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`). | |
- If you pass a string with a number and a valid unit, the number of equivalent ms is returned. | |
## Caught a bug? | |
1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device | |
2. Link the package to the global module directory: `npm link` | |
3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, node will now use your clone of ms! | |
As always, you can run the tests using: `npm test` | |