Built-in React APIs
In addition to Hooks and Components, the
react package exports a few other APIs that are useful for defining components. This page lists all the remaining modern React APIs.
createContextlets you define and provide context to the child components. Used with
forwardReflets your component expose a DOM node as a ref to the parent. Used with
lazylets you defer loading a component’s code until it’s rendered for the first time.
memolets your component skip re-renders with same props. Used with
startTransitionlets you mark a state update as non-urgent. Similar to