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Now, this course is about React,

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but it is worth noting

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that there are alternatives to React.js.

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Now, we're going to focus on React here

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and React is one of the most popular front-end frameworks

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or libraries, however you want to call it, you can learn.

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It's a lean and focused component-based UI library.

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It really focuses on this component thing,

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and it doesn't have a lot of other features built in.

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If you need other features like routing,

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which we are going to learn about in this video,

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then you need to bring extra third-party packages.

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That's not horrible, but it is something to be aware of.

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React itself is really just focused on bringing stuff

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onto the screen and updating that for you,

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and allowing you to build these custom HTML elements.

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These components, that's the core focus of React.

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Now, an alternative to React, which has more built

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in features would be Angular, another very important

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and very popular front-end framework.

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And I got a course on this as well.

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Angular is a complete component-based UI framework,

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so it also focuses on components, just like React,

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but it ships more built in features than React.

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It also embraces TypeScript right from the start.

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And it can be overkill for smaller projects therefore,

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since it has way more features built in.

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But for large projects, on the other hand,

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you don't need to rely on the community as much

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because there's more built into that framework.

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So, that's simply a little consideration you have to make.

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The syntax also looks a bit differently

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because whilst it is component focused,

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building these components works

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a bit differently with Angular than it does with React.

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Again, I got a course on that,

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if you want to check out Angular as well.

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And we also have another very popular framework,

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another popular alternative and that would be Vue.js.

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Vue.js is kind of like the mixture of Angular and React.

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In between those two extremes,

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if you want to call it like this.

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It's also a complete component-based UI framework,

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and it also includes a lot of features,

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but a bit less features than Angular, but more than React.

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It includes core features like routing, for example,

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and therefore with Vue, you also have to rely less

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on the community and still you don't have

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as much overload possibly as you might have

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with Angular, depending on what you build.

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I also got a more detailed comparison video

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on these free technologies

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in case you are interested in that.

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Now, all three are super popular.

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React, currently, is probably the most popular,

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but all three are great.

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I got courses on all three and therefore checking

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those out might be a good idea as well.

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But this course, of course, is about React

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and therefore let's not lose any time, let's dive right in.