The video discusses the comparison of React and Svelte, two popular JavaScript frameworks for building user interfaces. The speaker emphasizes that it's crucial for developers to go beyond the status quo and experiment with different frameworks to understand their strengths and weaknesses.
React and Svelte both allow developers to build reactive UIs with JavaScript by organizing code into reusable components. However, they differ significantly in their approach and developer experience. React uses a runtime called the Virtual DOM to track data changes and render them in the actual DOM in the browser. This requires some initial JavaScript, which can increase the baseline size of the application.
On the other hand, Svelte uses a compiler to eliminate the need for a runtime. It takes Svelte code and converts it into vanilla JavaScript, resulting in a smaller application size. Svelte also allows developers to work with non-JavaScript code, which can make development more efficient. However, some JavaScript fundamentalists might consider this as "cheating" as React.js is just JavaScript.
The speaker provides a detailed comparison of these two frameworks through code examples, including how they handle component state, props, children, side effects, computed state, and templating.
For example, Svelte's templating system allows for more readable and verbose conditional logic and loops, which can be more noticeable when dealing with multiple conditions. In contrast, React requires more complex and nested ternary operators for conditional logic.
The speaker also discusses shared state, where Svelte has a built-in mechanism called stores, which allows developers to use reactive data throughout the entire application with zero boilerplate. React, on the other hand, typically requires a state management solution like Redux or MobX to handle shared state.
The video concludes with a comparison of handling promises in React and Svelte. While React requires wrapping a component with suspense and error boundaries to handle promises, Svelte allows developers to unwrap promises directly in a template using the await keyword, which can be easily understood by any JavaScript developer familiar with promises.
The speaker encourages developers to experiment with both frameworks and build something with each to decide which one is best for them. He also mentions that he has released new full courses on Svelte and Next.js, and invites view
1. The video discusses the comparison between React and Svelte, two popular frameworks for building user interfaces. [Source: Document(page_content="00:00:00.00: any reasonable developer in today's\n00:00:01.62: world would learn react because it's the\n00:00:03.42: status quo and that's where the jobs are\n00:00:05.22: but life is a lot more fun when you\n00:00:06.78: become unreasonable and go against the\n00:00:08.52: status quo to push web development\n00:00:10.08: forward for future Generations in\n00:00:12.00: today's video we'll compare react and\n00:00:13.74: spelled side by side by looking at\n00:00:15.54: common patterns and design choices by\n00:00:17.46: the framework creators I'm not here to\n00:00:19.08: tell you that one is better than the\n00:00:20.22: other because that's what the comment\n00:00:21.54: section below this video is for the only\n00:00:23.34: way to truly find out which one is best\n00:00:25.02: is to build something with both of them\n00:00:26.64: and decide for yourself I just released\n00:00:28.68: a brand new full spell kick course\n00:00:30.30: yesterday and also have a full next js13\n00:00:32.64: course for fireship pro members going\n00:00:34.56: through each one of these courses will\n00:00:36.06: give you a really good idea of which\n00:00:37.56: framework is best for you first up we\n00:00:39.54: need to talk about rendering both of\n00:00:41.16: these Frameworks do the same thing they\n00:00:42.78: help developers build reactive uis with\n00:00:44.70: JavaScript by organizing code into\n00:00:46.68: reusable components an end user would\n00:00:48.84: never be able to tell the difference\n00:00:49.74: between the two but when it comes to the\n00:00:51.54: developer experience there is a world of\n00:00:53.34: difference react.js uses a runtime\n00:00:55.44: called the virtual Dom it keeps track of\n00:00:57.18: data changes in the application in order\n00:00:59.04: to render them in the act actual Dom in\n00:01:00.84: the browser the drawback is that this\n00:01:02.46: runtime requires some initial JavaScript\n00:01:04.26: and in Frameworks like nextjs your\n00:01:06.12: Baseline is around 70 kilobytes just to\n00:01:08.40: render a hello world as felt on the\n00:01:10.08: other hand takes an entirely different\n00:01:11.22: approach using a compiler to eliminate\n00:01:13.32: the need for a runtime it takes your\n00:01:14.88: svelt code and converts it into vanilla\n00:01:16.80: JavaScript which results in a far\n00:01:18.