Tagged with rendering
React supports several conditional rendering styles, and returning `null` is the normal way to render nothing.
Conditional rendering patterns and returning null in React
Error boundaries prevent a rendering error in one subtree from crashing the entire visible application tree.
Error boundaries, why they exist, and what they cannot catch
JSX has a few important rules around single roots, expressions, fragments, and rendering arrays of elements.
JSX rules, fragments, expressions, and list rendering
Initial render and later re-renders follow different triggers, and where state lives strongly affects how much of the tree must update.
Parent vs child re-renders, initial render, re-renders, and state colocation
Rendering means React calls your component to produce the next UI description, and re-renders happen when inputs that affect output change.
Rendering in React and what triggers re-renders