HTML CSS and JavaScript for Beginners - A Web Design Course - Project Bonus: Adding Object Value

The video tutorial explains how to attach hidden values to DOM elements using JavaScript. It demonstrates creating list items, assigning values, and accessing them through the console. The tutorial covers dynamic value assignment, looping through lists, and reverting values. It highlights the flexibility of JavaScript objects in DOM manipulation, offering practical tips for web development.

What happens when you try to access a value that hasn't been set yet in an object?

Explain how you can loop through a list and attach values to the elements.