# knockout/knockout

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10,548 stars · 1,490 forks · JavaScript · NOASSERTION

## Links

- GitHub: https://github.com/knockout/knockout
- Homepage: http://knockoutjs.com/
- awesome-repositories: https://awesome-repositories.com/repository/knockout-knockout.md

## Description

Knockout is a client-side UI library and JavaScript framework used to create responsive web interfaces. It functions as a declarative data binding library and an observable data model system that decouples business logic from the document object model.

The project implements the Model-View-ViewModel pattern to separate application logic from the user interface. It synchronizes data models with visual views by linking internal JavaScript properties to HTML elements, allowing the interface to update automatically when underlying data changes.

The framework provides capabilities for dynamic frontend state management and declarative UI data binding. It manages the synchronization between data models and views to support the development of interactive web pages.

## Tags

### Software Engineering & Architecture

- [MVVM Patterns](https://awesome-repositories.com/f/software-engineering-architecture/mvvm-patterns.md) — Implements the Model-View-ViewModel pattern to separate business logic from user interface concerns.
- [Property Change Observers](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/state-management/change-detection/property-change-observers.md) — Uses property-level change observers to notify listeners and trigger fine-grained UI re-renders.
- [UI Data Binding](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/state-management/reactive-subscription-systems/observer-patterns/ui-data-observers/ui-data-binding.md) — Synchronizes interface elements with underlying data models using observer patterns. ([source](https://github.com/knockout/knockout/blob/master/README.md))
- [Observable State Management](https://awesome-repositories.com/f/software-engineering-architecture/observable-state-management.md) — Uses observable variables to automatically trigger updates in dependent UI components.

### Web Development

- [Declarative Data Binding](https://awesome-repositories.com/f/web-development/declarative-data-binding.md) — Update the user interface automatically by linking internal data models to visual elements. ([source](https://github.com/knockout/knockout/blob/master/package.json))
- [Client-Side UI Libraries](https://awesome-repositories.com/f/web-development/client-side-ui-libraries.md) — Provides a tool for creating rich, responsive web interfaces by decoupling business logic from the DOM.
- [Declarative Data Binding Systems](https://awesome-repositories.com/f/web-development/frontend-development-tools/frontend-frameworks/template-binding/declarative-data-binding-systems.md) — Provides mechanisms to synchronize application state with the DOM using declarative HTML attributes.
- [MVVM State Management](https://awesome-repositories.com/f/web-development/mvvm-state-management.md) — Update the user interface automatically by binding a data model to a visual view. ([source](https://github.com/knockout/knockout/blob/master/bower.json))
- [Reactive UI Synchronization](https://awesome-repositories.com/f/web-development/reactive-ui-synchronization.md) — Update the user interface automatically by linking a data model to visual elements using an observer system. ([source](https://github.com/knockout/knockout#readme))
- [DOM Synchronization](https://awesome-repositories.com/f/web-development/web-components/component-based-rendering-engines/observation-based-rendering/dom-synchronization.md) — Updates specific parts of the document object model directly based on changes in the linked data model.

### Part of an Awesome List

- [MVVM Frameworks](https://awesome-repositories.com/f/awesome-lists/devtools/mvvm-frameworks.md) — Provides an architectural framework for building structured, testable UI applications using the MVVM pattern.
- [Web Frameworks](https://awesome-repositories.com/f/awesome-lists/devtools/web-frameworks.md) — Knockout makes it easier to create rich, responsive UIs with JavaScript.

### Data & Databases

- [Two-Way Data Binding](https://awesome-repositories.com/f/data-databases/data-synchronization/two-way-data-binding.md) — Automatically synchronizes changes between data models and UI views in both directions in real time.
- [Observable Data Modeling](https://awesome-repositories.com/f/data-databases/relational-data-modeling/complex-data-modeling/observable-data-modeling.md) — Structures application state as observable entities to maintain a single source of truth for the UI.

### User Interface & Experience

- [Property Bindings](https://awesome-repositories.com/f/user-interface-experience/property-bindings.md) — Maps user interface inputs and elements directly to underlying model attributes. ([source](https://github.com/knockout/knockout#readme))
- [Automatic Dependency Tracking](https://awesome-repositories.com/f/user-interface-experience/ui-architecture/reactivity-systems/automatic-dependency-tracking.md) — Implicitly detects reactive sources accessed during execution to automate dependency tracking and view updates.
- [Responsive Web Interfaces](https://awesome-repositories.com/f/user-interface-experience/responsive-web-interfaces.md) — Creates web-based user interfaces that react instantly to data changes and user input.
- [Computed Properties](https://awesome-repositories.com/f/user-interface-experience/ui-architecture/reactivity-systems/computed-properties.md) — Implements derived state that automatically recalculates when its observable dependencies change.