Programmer Think

Relevant knowledge points What is AST abstract syntax tree Compilation process of program Use of AST Babel's principle Examples and thoughts of burying points based on babel in personal implementation What is AST abstract syntax tree Compilation process of program What i ...

1, Design project structure Because we implement todo as a functional component, the basic design idea is: 1. Create a todo folder in components and a new index JSX is a todo component. This folder contains some todo widgets 2. On app Import todo from 'is introduced into JSX/ Components / todo 'and render in render: import Rea ...

React is a library developed, open-source and maintained by facebook, and the meaning of react is to use JavaScript to realize user interaction - a JavaScript library for building user interfaces. Therefore, in essence, React is a library, and its role is to use JavaScript to realize user interaction. Its core idea is to use JavaScript to ...

preparationOf template files to be used Warehouse address1. JSXLet's look at the jsx syntax first. What did you do babel.jsYou can see that after babel translation, these jsx syntax finally calls react CreateElement, which requires three parameters: type, props and children. Its return value is the virtual DOM object. In other words, we can use ...