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 Basics Storing and Tracking Information with Variables Variables Review

Posted by Gabriela Miranda
Gabriela Miranda
435 Points

I can not understand why with the code in question does not apear chase instead uncaught TypeError

What happens when the code below runs?

const player = 'Skye';
player = 'Chase';

console.log(player);

1 Answer

Steven Parker
Steven Parker
231,236 Points
Steven Parker
Steven Parker
231,236 Points

A property of a "const" is that it can only be assigned once. Attempting to re-assign it causes an error and stops execution (so the console.log never runs).

The behavior you were expecting would be true if the variable had been declared with "let" or "var".

Gabriela Miranda
Gabriela Miranda
435 Points

Tks Steven Parker