23,765 people from 137 countries took part in the recent State of JS survey and while there are some common criticisms of the project, the results are nonetheless interesting and we’ll be digging into some in forthcoming issues. Standouts include:

- Svelte took the top frontend framework crown from React for developer satisfaction.
- Testing Library jumped straight to #1 for testing libraries.
- More developers than ever are producing PWAs or using WebAssembly.
- 86% of respondents are using VS Code to work on their code.
 

This tutorial demonstrates how to integrate four different SPA frameworks within ASP.NET Core v3 for Angular, React, Vue and Svelte. This ASP.NET Core tutorial also demontrates how to create your own custom SPA template. 

• The JavaScript Handbook (171 pages) fall 2018
• JavaScript from ES5 to ESNext (84 pages) early 2019
• The React Handbook (220 pages) early 2019
• The Node.js Handbook (189 pages) fall 2018
• The Express.js Handbook (61 pages) fall 2018
• The Vue.js Handbook (122 pages) summer 2018
• The CSS Handbook (173 pages) spring 2019
• The HTML Handbook (87 pages) summer 2019
• The Svelte Handbook (41 pages) fall 2019 

Svelte 3 — New Vue killer, but not today.