---
title: JS interop tutorials
description: Tutorials for common JavaScript interop use cases in Dart.
---

## Tutorials

### [How to mock JavaScript interop in Dart][]

This tutorial will walk through how you can use Dart classes to mock the
`external` instance members of an interop type.

{% comment %}
TODO: add a section on how to bundle a JS and Dart app for interop
TODO: maybe add a section on conversions
{% endcomment %}

[How to mock JavaScript interop in Dart]: /interop/js-interop/mock