1×
Become a member
to unlock all features

Level Up!

Access all courses & lessons on egghead today and lock-in your price for life.

Autoplay

    Create a Persistent Reference to a Value Using React useRef Hook

    reactReact

    The useRef is a hook for creating values that persist across renders. In this lesson we'll learn how to use the useRef hook to measure the width of an element as it changes.