I’ve developed with React for months without fully understanding the real power of the React component model. One day I decided to dive into composition, and this is what I learned. Mastering React component composition. A Complete Guide To props.children In React
I’ve developed with React for months without fully understanding the real power of the React component model. One day I decided to dive into composition, and this is what I learned.
In React, a component can have one, many, or no children. Great, but wait — what are “children”? Let’s explain with an example:
<Profile> <ProfileImage src="/asset/profile-img.png" /> <ProfileDetails name="Antonello" surname="Zanini" /> </Profile>
Profile component has two children:
ProfileDetails, while these two have no children.
“In JSX expressions that contain both an opening tag and a closing tag, the content between those tags is passed as a special prop: `props.children_`_” — __React documentation
props.children is a special prop, automatically passed to every component, that can be used to render the content included between the opening and closing tags when invoking a component. These kinds of components are identified by the official documentation as “boxes”.
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I have been using React JS in my projects for quite some time now and am used to managing routing in my app using the react-router package. I have always been keen on having as little dependencies in my apps as possible, so, I always felt perturbed by the use of this particular package in simpler apps which did not have complex routes.
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