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React fragment with class name7/22/2023 ![]() For example, let’s say we want to pass a list of items as props from a parent component to a child component. When mapping a list of items, you still need to make use of keys the same way as before. Some CSS mechanisms like flexbox and grid have a special parent-child relationship, and adding divs in the middle makes it harder to maintain the design while extracting logical components.This only has a real benefit on very large and/or deep trees, but application performance often suffers from death by a thousand cuts. It’s a tiny bit faster and has less memory usage (no need to create an extra DOM node). ![]() Dan Abramov answered the question on StackOverflow. ![]() You may be looking for a good reason to use Fragments instead of the container div you have always been using. So instead of doing this: class Countries extends React.Component Question: Is a fragment better than a container div? The way out of that is to make use of a wrapper div or span element that acts as the enclosing tag. If you have ever tried to return more than one element, you know that you’ll will be greeted with this error: Syntax error: Adjacent JSX elements must be wrapped in an enclosing tag. It used to be that React components could only return a single element. These are new and really exciting concepts that came out of the React 16 release, so let’s look at them closer and get to know them. 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. What comes to your mind when React 16 comes up? Context? Error Boundary? Those are on point.
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