JavaScript interoperability

Seamlessly integrate JavaScript libraries and APIs into your Dart web app.

The Dart web platform provides powerful tools to call JavaScript from Dart and vice-versa and allows you to leverage the vast JavaScript ecosystem without leaving your Dart code.

This page provides a central hub for learning about JavaScript interoperability in Dart. You'll find resources to get you started, detailed usage guides, and information on the latest dart:js_interop library. Whether you're looking to use a specific JavaScript library, or interact with browser APIs, this is the place to start.

Get started with JS interop:

• Getting started with Javascript interop
• How to mock JavaScript interop objects

Review the reference guides:

• Usage reference
• JS types reference

Interact with the browser:

• package:web and migration

Previous JavaScript interop libraries:

• Past JS interop

Additional documentation on JavaScript interop:

• dart:js_interop API reference
• dart:js_interop_unsafe API reference