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

    Safely Access a Property on a JavaScript Array with Optional Chaining

    You can use optional chaining to access elements in an array. If the array is null or undefined, attempting to access an element with optional chaining prevents an error from being thrown, returning undefined instead.