Introduction - If you have any usage issues, please Google them yourself
Chapter 1 - 2 is about the application scenario of the widget and the introduction of the widget itself, including the technology involved in the widget and the use of IDE development environment. Chapter 3 introduces the grammar of HTML 5, CSS 3 and JavaScript, and then derives the relevant grammar of WXSS, WXML and JavaScript used by small programs. Chapter 4 is the introduction of widget development components. Each component is equipped with hands-on examples to help readers deepen their impression. Chapter 5 is a complete small program project development steps. Chapter 6 is an introduction to invoking the Wechat API, which provides sample coding and analysis for common APIs. Chapter 7 is a complete project, including front-end and back-end, through which readers can start real small program development. Chapter 8 is a supplement to the latest API (Bluetooth, Card Voucher) of the applet.