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Adjacent jsx elements must be wrapped in an enclosing tag 6 2019

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SyntaxError: unknown: Adjacent JSX elements must be wrapped in an enclosing tag

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Probably not in this project, but I'd rather wrap my head around doing this in React now rather than creating 10k lines of spaghetti later. Probably not in this project, but I'd rather wrap my head around doing this in React now rather than creating 10k lines of spaghetti later. Including the context for it makes it less reusable.

You may be looking for a good reason to use Fragments instead of the container div you have always been using. Just like React nodes, if you are returning a component, only one starting component can be returned but that component can have unlimited children.

JSX elements must be wrapped in an enclosing : reactjs

What comes to your mind when React 16 comes up. React 16 came with those goodies and much more, but In this post, we'll be looking at the rendering power it also introduced — namely, the ability to render children using Fragments and Array Components. Fragments It used to be that React components could only return a single element. The way out of that is to make use of a wrapper div or span element that acts as the enclosing tag. So instead of doing this: class Countries extends React. Component render return Canada Australia Norway Mexico . Component render return Canada Australia Norway Mexico Most times, this may not be the initial design you had for the application, but you are left with no choice but to compromise on this ground. React 16 solves this with Fragments. This new features allows you to wrap a list of children without adding an extra node. So, instead of adding an additional element as a wrapper like we did in the last example, we can throw in there to do the job: class Countries extends React. But, imagine a situation where you have a component that lists different items such as fruits and other things. These items are all components, and if you are making use of old React versions, the items in these individual components will have to be wrapped in an enclosing tag. Now, however, you can make use of fragments and do away with that unnecessary markup. adjacent jsx elements must be wrapped in an enclosing tag Component render return We have three child components inside of the fragment and can now create a component for the container that wraps it. This is much more in line with being able to create components out of everything and being able to compile code with less cruft. Fragment Shorthand There is a shorthand syntax when working with Fragments, which you can use. Staying true to its fragment nature, the syntax is like a fragment itself, leaving only only empty brackets behind. Going back to our last example: class Fruit extends React. Component render return Apple Orange Blueberry Cherry Question: Is a fragment better than a container div. You may be looking for a good reason to use Fragments instead of the container div you have always been using. This is one less cut. Keys in Fragments When mapping a list of items, you still need to make use of keys the same way as before. For example, let's say we want to pass a list of items as props from a parent component to a child component. In the child component, we want to map through the list of items we have and output each item as a separate entity. You can see that now, in this case, we are not making use of any divs in the Frameworks component. Render Children Using an Array of Components The second specific thing that came out of React 16 we want to look at is the ability to render multiple children using an array of components. This is a clear timesaver because it allows us to cram as many into a render instead of having to do it one-by-one. Here is an example: class Frameworks extends React. Conclusion Like the and feature that were introduced in React 16, rendering children components with Fragment and multiples of them with Array Components are two more awesome features you can start making use of as you build your application. Have you started using these in a project. Let me know how in the comments so we can compare notes.

But when i place the script tags on the index. Edit: Edit: Y'all are awesome. Two Methods The first solution must be obvious after the talk we had about why this error occurs. Including the context for it makes it less reusable. Fragments It used to be that React components could only return a single element. At least I'm getting somewhere.

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released January 23, 2019

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