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 Getting Started With ES2015 Defining Variables With let and const Review let and const

Fernando Jimenez
PLUS
Fernando Jimenez
Courses Plus Student 8,455 Points
Posted by Fernando Jimenez
Fernando Jimenez
Courses Plus Student 8,455 Points

Whats the right answer here? Why can't they all be let or even const?

Whats the right answer here? Why can't they all be let or even const?

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

When you say "here", which question are you referring to?

But if it's the one where you fill in the code, the correct choice can only be "let" for a variable that is assigned later. But for those that are initialized where they are declared and not changed later, "const" is preferred.