75 lines
1.8 KiB
Markdown
75 lines
1.8 KiB
Markdown
|
# for-in [](https://www.npmjs.com/package/for-in) [](https://npmjs.org/package/for-in) [](https://travis-ci.org/jonschlinkert/for-in)
|
||
|
|
|
||
|
|
> Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js
|
||
|
|
|
||
|
|
## Install
|
||
|
|
|
||
|
|
Install with [npm](https://www.npmjs.com/):
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install for-in --save
|
||
|
|
```
|
||
|
|
|
||
|
|
## Usage
|
||
|
|
|
||
|
|
```js
|
||
|
|
var forIn = require('for-in');
|
||
|
|
|
||
|
|
var obj = {a: 'foo', b: 'bar', c: 'baz'};
|
||
|
|
var values = [];
|
||
|
|
var keys = [];
|
||
|
|
|
||
|
|
forIn(obj, function (value, key, o) {
|
||
|
|
keys.push(key);
|
||
|
|
values.push(value);
|
||
|
|
});
|
||
|
|
|
||
|
|
console.log(keys);
|
||
|
|
//=> ['a', 'b', 'c'];
|
||
|
|
|
||
|
|
console.log(values);
|
||
|
|
//=> ['foo', 'bar', 'baz'];
|
||
|
|
```
|
||
|
|
|
||
|
|
## Contributing
|
||
|
|
|
||
|
|
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/for-in/issues/new).
|
||
|
|
|
||
|
|
## Building docs
|
||
|
|
|
||
|
|
Generate readme and API documentation with [verb](https://github.com/verbose/verb):
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install verb && npm run docs
|
||
|
|
```
|
||
|
|
|
||
|
|
Or, if [verb](https://github.com/verbose/verb) is installed globally:
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ verb
|
||
|
|
```
|
||
|
|
|
||
|
|
## Running tests
|
||
|
|
|
||
|
|
Install dev dependencies:
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install -d && npm test
|
||
|
|
```
|
||
|
|
|
||
|
|
## Author
|
||
|
|
|
||
|
|
**Jon Schlinkert**
|
||
|
|
|
||
|
|
* [github/jonschlinkert](https://github.com/jonschlinkert)
|
||
|
|
* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
|
||
|
|
|
||
|
|
## License
|
||
|
|
|
||
|
|
Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
|
||
|
|
Released under the [MIT license](https://github.com/jonschlinkert/for-in/blob/master/LICENSE).
|
||
|
|
|
||
|
|
***
|
||
|
|
|
||
|
|
_This file was generated by [verb](https://github.com/verbose/verb), v, on March 27, 2016._
|