Different function objects sharing the same code are often created inside React components:function MyComponent$()\{//$ handleClick is re$-$created on each render const handleClick $=()=>\{$ console.log$(\text{'}$Clicked$!\text{'})$; $\}$; $//...\}$handleClick is a different function object on every rendering of MyComponent.That's when $...$ is helpful: given the same dependency values deps, the hook returns the same function instance between renderings $($aka memoization$)$: