The first few videos of the (free) Beginner’s Guide to ReactJS are all about React elements and JSX. So here they are for you to watch along with this blog post. Enjoy! Now on to the blog post! I think ...
Last week at PayPal, one of my pull requests was merged in an express codebase which migrated us from a custom template system to using React function components and JSX. The motivation was to reduce the maintenance overhead of knowing ...
What’s wrong with this code? function ContactList({contacts}) { return ( <div> <ul> {contacts.length && contacts.map(contact => ( <li key={contact.id}> {contact.firstName} {contact.lastName} </li> ))} </ul> </div> ) } Not sure? Let me ask you another question. What would happen with the ...
