> For the complete documentation index, see [llms.txt](https://coldbox-elixir.ortusbooks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://coldbox-elixir.ortusbooks.com/v3/working_with_scripts.md).

# Working With Scripts

You can compile scripts using the `mix.js` method. It accepts either a single file or an array of files to combine. Each file will be crawled for dependencies by Webpack.

```javascript
const elixir = require("coldbox-elixir");

module.exports = elixir(mix => {
    mix.js("app.js");
    mix.js([
        "node_modules/jquery/dist/jquery.min.js",
        "node_modules/bootstrap-sass/assets/javascripts/bootstrap.min.js"
    ], {
        name: "bootstrap",
        entryDirectory: ""
    });
});
```

The second argument to `mix.js` is a configuration object.

```javascript
{
    name: this.withoutExtension(filename),
    outputDirectory: "includes/js/",
    entryDirectory: "resources/assets/js/"
}
```

## `runtime.js` and `vendor.js`

Using `mix.js` or any methods that depend on it create up to two additional files that you should be aware of: `runtime.js` and `vendor.js`. `runtime.js` is the Webpack runtime and should be included as the first script on your page. Without this script, your other files will fail silently. The `vendor.js` is comprised of any dependencies pulled from `node_modules`. This allows your users to keep using the cached `vendor.js` file even when you change your application code. This file should be included after `runtime.js` and before any of your application code.


---

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