The basic cognition of react

1.1.1. Official website

1) English official website: https://reactjs.org/

2) Chinese official website: https://doc.react-china.org/

1.1.2. Introduction description

1) JavaScript Library for building user interface (focus on View only)

2) Open source from Facebook

1.1.3. Characteristics of React

1) declarative (declarative encoding)

2) component-based (modular coding)

3) Learn Once, Write Anywhere (supports client and server rendering)

4) Efficient

5) Unidirectional Data flow

1.1.4. Reasons for React efficiency

1) Virtual DOM, not always directly manipulating the DOM

2) DOM Diff algorithm to minimize page redraw

The basic cognition of react