Examples from the most depended upon packages: [1](https://github.com/jashkenas/underscore/blob/master/package.json), [2](https://github.com/caolan/async/blob/master/package.json), [3](https://github.com/mikeal/request/blob/master/package.json), [4](https://github.com/substack/node-optimist/blob/master/package.json). Official [documentation](https://npmjs.org/doc/json.html).
Examples from the most depended upon packages: 1, 2, 3, 4. Official documentation.