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In this React Hooks useRef Tutorial, you will build a React timer app / stopwatch application by persisting values with the React hook useRef. You will also learn how useRef can count renders and be applied to elements inside JSX.
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BUILD a React Timer with useRef| React Hooks useRef Tutorial
(00:00) Intro
(00:19) Welcome and Overview
(01:15) Creating a reference with useRef
(01:36) useRef vs useState
(02:04) useRef to count component renders
(03:41) useRef to set focus on an element in JSX
(05:33) Warning: Don't do this!
(06:34) useRef to build a stop watch timer app
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