There we have react.Fragment vs div, if you want more like this be sure to check out some of my other posts!Īnother article that might interest you is one I have recently written about React.Fragment vs, be sure to check it out. This comes in handy when you are looping over data and creating components off of them so that you can then avoid creating additional HTML DOM elements for each one and you can just provide your key to the React.Fragment directly instead. Where a React.Fragment does not get rendered into the DOM it canât support these things and you will therefore have to make use of an actual html element such as a div. One of the few attributes/props that a React.Fragment will support is the key prop. Once again there is an exception to this which is when it comes to React keys.Ī React Key is just a way that React can track components in lists across renders to prevent strange behavior ( read more about keys here). More Query from same tag default export eslint issues ref not referencing correct item in array Why is it not filling the useState whin i get the data. Where a React.Fragment does not get rendered into the DOM it canât support these things and you will therefore have to make use of an actual html element such as a div. ![]() There might be many edge cases to this but some of the main situations that this might occur is when you need to apply styling, add event handlers or add attributes to the root element. When to use a div over a React.FragmentĪs mentioned in the above section, sometimes you canât always use a react fragment in place of a div because there might be certain things you need the wrapping element to have.Īnd these are the times when you will want to make use of a div (or any other relevant html element) over a React.Fragment. Astro supports using either or the shorthand <> </>.![]() The problem is, it is not always possible to use a React.Fragment in place of a div element because there might be certain things that you will need the wrapping element to have which we will get into in the next section.Ä«ut for the most part if you just need to group some components or elements together in a React application then React.Fragment is almost always the better choice to reduce the overall DOM size. But once included, these values are not reactive and will never change. When to use a React.Fragment over a divįor the most part it is safe to assume that you will always want to use a React.Fragment over a div wherever possible in order to keep the size of the DOM down. Whilst this is only a small difference here, when looked at across an entire React application it can make a big difference. As you can see by using the fragment we have been able to remove the additional div element from our DOM tree.
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