Heads up! To view this whole video, sign in with your Courses account or enroll in your free 7-day trial. Sign In Enroll

- 2x 2x
- 1.75x 1.75x
- 1.5x 1.5x
- 1.25x 1.25x
- 1.1x 1.1x
- 1x 1x
- 0.75x 0.75x
- 0.5x 0.5x
JavaScript has always been a forgiving language. But, it’s lack of constraints has caused much confusion around block scoping and variable re-assignment. In this video we’ll review two new variable types: let and const.
Related Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign up-
Samuel Kleos
Front End Web Development Techdegree Student 13,728 Points1 Answer
-
Samuel Kleos
Front End Web Development Techdegree Student 13,728 Points1 Answer
-
Catalin Radu
6,037 Points1 Answer
-
jlampstack
23,932 Points6 Answers
-
yuds ds
1,169 Points4 Answers
-
PLUS
Johnny Garces
Courses Plus Student 8,551 Points2 Answers
-
Leigh Maher
21,830 Points3 Answers
View all discussions for this video
Related Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign up
You need to sign up for Treehouse in order to download course files.
Sign upYou need to sign up for Treehouse in order to set up Workspace
Sign up