# JSONata
JSON query and transformation language
[](https://nodei.co/npm/jsonata/)
[](https://travis-ci.org/jsonata-js/jsonata)
[](https://coveralls.io/github/jsonata-js/jsonata?branch=master)
Reference implementation of the [JSONata query and transformation language](http://jsonata.org/).
* [JSONata in 5 minutes](https://www.youtube.com/embed/ZBaK40rtIBM)
* [JSONata language documentation](http://docs.jsonata.org/)
* [Try it out!](http://try.jsonata.org/)
## Installation
- `npm install jsonata`
## Quick start
In Node.js:
```javascript
var jsonata = require("jsonata");
var data = {
example: [
{value: 4},
{value: 7},
{value: 13}
]
};
var expression = jsonata("$sum(example.value)");
var result = expression.evaluate(data); // returns 24
```
In a browser:
```html
JSONata test
```
## More information
- JSONata [documentation](http://docs.jsonata.org/)
- [JavaScript API](http://docs.jsonata.org/embedding-extending)
- [Intro talk](https://www.youtube.com/watch?v=TDWf6R8aqDo) at London Node User Group
- JSONata [tech talk](https://www.youtube.com/watch?v=ZRtlkIj0uDY)
## Contributing
See the [CONTRIBUTING.md](CONTRIBUTING.md) for details of how to contribute to this repo.