# Mobx

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## Pages

- [Resources](links.md): - [Ten minute interactive introduction to MobX and React](https://mobx.js.org/getting-started)
- [About this documentation](about-this-documentation.md): It follows the principle that the most commonly used concepts are
- [Updating state using actions](actions.md): Usage:
- [Analyzing reactivity](analyzing-reactivity.md): Trace is a small utility that helps you find out why your computed values, reactions or components are re-evaluating.
- [MobX API Reference](api.md): Functions marked with {🚀} are considered advanced, and should typically not be needed.
- [MobX Backers and Sponsors](backers-sponsors.md): Thanks to your backers and sponsors for their generous support!
- [Analyzing reactivity](best-debugging-mobx.md)
- [Enabling decorators](best-decorators.md)
- [Defining data stores](best-store.md)
- [Understanding reactivity](best-what-does-mobx-react-to.md)
- [Collection utilities](collection-utilities.md): They enable manipulating observable arrays, objects and Maps with the same generic API.
- [Computeds with arguments](computeds-with-args.md): The`computed`annotation can only be used on getters, which don't take arguments.
- [Deriving information with computeds](computeds.md): Usage:
- [Configuration](configuration.md): MobX has several configurations depending on how you prefer to use it, which JavaScript engines you want to target, a...
- [Creating custom observables](custom-observables.md): At some point you might want to have more data structures or other things (like streams) that can be used in reactive...
- [Defining data stores](defining-data-stores.md): This section contains some of the best practices for building large scale maintainable projects we discovered at Mend...
- [Decorators](enabling-decorators.md): After years of alterations, ES decorators have finally reached Stage 3 in the TC39 process, meaning that they are qui...
- [Migrating from MobX 4/5](faq-migrate-to-6.md)
- [Installation](installation.md): MobX works in any ES5 environment, which includes browsers and NodeJS.
- [Intercept & Observe](intercept-and-observe.md): _⚠️ **Warning**: intercept and observe are low level utilities, and should not be needed in practice. Use some form o...
- [The gist of MobX](intro-concepts.md)
- [About this documentation](intro-how-to-read.md)
- [Installation](intro-installation.md)
- [Creating lazy observables](lazy-observables.md): Usage:
- [Migrating from MobX 4/5](migrating-from-4-or-5.md): MobX 6 is quite different from MobX 5. This pages covers a migration guide from MobX 4 and 5 to 6, and an extensive l...
- [MobX-utils](mobx-utils.md): [MobX-utils](https://github.com/mobxjs/mobx-utils) provides an extensive series of additional utility functions, obse...
- [Creating observable state](observable-state.md): Properties, entire objects, arrays, Maps and Sets can all be made observable.
- [React integration](react-react-integration.md)
- [Optimizing React component rendering](react-react-performance.md)
- [React integration](react-integration.md): This documentation outlines how to manually apply observation to React components. However, by using the [mobx-react-...
- [Optimizing React component rendering](react-optimizations.md): MobX is very fast, [often even faster than Redux](https://twitter.com/mweststrate/status/718444275239882753), but her...
- [Running side effects with reactions](reactions.md): Reactions are an important concept to understand, as it is where everything in MobX comes together.
- [Updating state using actions](refguide-action.md)
- [MobX API overview](refguide-api.md)
- [Running side effects with reactions](refguide-autorun.md)
- [Computeds with arguments](refguide-computed-with-args.md)
- [Deriving information with computeds](refguide-computed.md)
- [Configuration](refguide-configure.md)
- [Creating custom observables](refguide-extending.md)
- [MobX-utils](refguide-mobx-utils.md)
- [Observable modifiers](refguide-modifiers.md)
- [Collection utilities](refguide-object-api.md)
- [Observable Objects](refguide-object.md)
- [Creating observable state](refguide-observable.md)
- [Intercept & Observe](refguide-observe.md)
- [Creating lazy observables](refguide-on-become-observed.md)
- [Observable Sets](refguide-set.md)
- [Subclassing](subclassing.md): Subclassing is supported with limitations. Most notably you can only **override actions/flows/compute...
- [The gist of MobX](the-gist-of-mobx.md): MobX distinguishes between the following three concepts in your application:
- [Understanding reactivity](understanding-reactivity.md): MobX usually reacts to exactly the things you expect it to, which means that in 90% of your use cases MobX should "ju...