1+ day, 14+ hour ago  (1305+ words) A brand-new React app usually starts simple: one component, a piece of state, done. But add ten more components, three levels of nesting, and a login system — and suddenly a single piece of state…...

1+ day, 14+ hour ago  (1403+ words) Why did developers create React when JavaScript already existed? JavaScript could already change a webpage — grab an element, update its …...