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.
createContext
lets you define and provide context to the child components. Used withuseContext
.forwardRef
lets your component expose a DOM node as a ref to the parent. Used withuseRef
.lazy
lets you defer loading a component’s code until it’s rendered for the first time.memo
lets your component skip re-renders with same props. Used withuseMemo
anduseCallback
.startTransition
lets you mark a state update as non-urgent. Similar touseTransition
.