Mithril is a modern client-side JavaScript framework for building single-page applications. It is known for its small size (8kb gzip) and high performance, making it a great choice for lightweight applications where speed and efficiency are crucial. Mithril follows a minimalist design philosophy, providing a simple and elegant API for creating components, managing state, and handling routing.
React is a popular JavaScript library for building user interfaces, developed by Facebook. It allows developers to create interactive and dynamic UI components using a declarative approach. React's virtual DOM implementation ensures efficient rendering performance by minimizing actual DOM manipulations. It also promotes component reusability and composability, making it easier to manage complex UI structures.
React is by far the more popular and widely-used library compared to Mithril. React has a larger community and ecosystem, with many more resources, tutorials, and third-party packages available. Mithril, while less popular, still has a dedicated user base and a supportive community.
Size
Mithril is a lightweight library, coming in at around 9KB in size, whereas React is larger, with the core library itself weighing around 45KB. However, when used with additional dependencies and features, the size of both libraries will increase significantly.
Virtual DOM
Both Mithril and React make use of a virtual DOM, which allows them to efficiently update the UI by minimizing actual DOM manipulations. However, React's virtual DOM implementation is more mature and optimized, resulting in better performance for complex applications.
Component Model
React has a well-defined component model, with lifecycle methods, hooks, and a robust ecosystem for reusable component libraries. Mithril also has a component-based architecture but with a simpler API and fewer built-in features. React's component model is more mature and suitable for larger, complex projects.
Developer Experience
React offers a fantastic developer experience with excellent tooling and extensive community support. It has a large number of resources, including official documentation, tutorials, and an active user community. Mithril, while less popular, still has decent tooling and documentation but may have fewer community-generated resources.
Learning Curve
React's extensive documentation, large ecosystem, and developer-friendly API make it relatively easier to learn and work with, especially for developers familiar with JavaScript and its modern language features. Mithril has a smaller learning curve overall, but its less extensive documentation and smaller community may require further exploration for additional resources.
Integration
React is widely adopted and integrates smoothly with a wide range of external libraries, frameworks, and tools. It has great compatibility with popular frameworks and provides widespread support for UI testing frameworks. Mithril, while compatible with many tools and libraries, might require additional effort for seamless integration in certain cases due to its lower adoption rate.