[Babel](http://babeljs.io/) is a next generation JavaScript compiler. One of the features is the ability to use ES6/ES2015 modules now, even though browsers do not yet support this feature natively.
```js
import $ from "jquery";
```
#### Browserify/Webpack
There are several ways to use [Browserify](http://browserify.org/) and [Webpack](https://webpack.github.io/). For more information on using these tools, please refer to the corresponding project's documention. In the script, including jQuery will usually look like this...
```js
var $ = require("jquery");
```
#### AMD (Asynchronous Module Definition)
AMD is a module format built for the browser. For more information, we recommend [require.js' documentation](http://requirejs.org/docs/whyamd.html).
```js
define(["jquery"], function($) {
});
```
### Node
To include jQuery in [Node](nodejs.org), first install with npm.
```sh
npm install jquery
```
For jQuery to work in Node, a window with a document is required. Since no such window exists natively in Node, one can be mocked by tools such as [jsdom](https://github.com/tmpvar/jsdom). This can be useful for testing purposes.