It is difficult to predict with certainty which JavaScript frameworks will be the best in 2023, as the field of web development is constantly evolving and new frameworks are being released all the time. However, some popular JavaScript frameworks that are likely to remain popular in 2023 include:

1. React: React is a popular JavaScript library for building user interfaces. It is used by many large companies, including Facebook, Instagram, and Netflix, and has a strong ecosystem of libraries and tools.

2. Angular: Angular is a full-featured JavaScript framework for building complex, scalable web applications. It is supported by Google and has a large community of developers.

3. Vue.js: Vue.js is a lightweight, flexible JavaScript framework for building user interfaces. It has a gentle learning curve and a strong focus on simplicity and performance.

4. Next.js: Next.js is a framework for building server-rendered React applications. It is focused on performance and ease of use, and has been adopted by many large companies.

5. Svelte: Svelte is a novel JavaScript framework that compiles components at build time, resulting in small, fast, and easy-to-use applications. It has gained popularity for its simplicity and performance.

Honourable Mention: Nuxt.Js

It is worth noting that the best JavaScript framework for a particular project will depend on the specific requirements and goals of that project. It is worth evaluating the features and capabilities of each framework to determine which one is the best fit for your project