Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript and the DOM (Retiring) Responding to User Interaction Listening for Events with addEventListener()

Posted by vamosrope14
vamosrope14
14,932 Points

What's the difference between a node list and an HTML collection? Are you able to loop through one and not the other?

.

2 Answers

Steven Parker
Steven Parker
231,271 Points
Steven Parker
Steven Parker
231,271 Points

These are both iterables (loopable). The big difference is that a node list is a static structure, much like an array, where an HTMLCollection is "live" and will change along with any changes made to the DOM.

vamosrope14
vamosrope14
14,932 Points
vamosrope14
vamosrope14
14,932 Points

.

Steven Parker
Steven Parker
231,271 Points
Steven Parker
Steven Parker
231,271 Points

You can change a NodeList, it just doesn't automatically change when you do things to the DOM.