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 Introducing ES2015 Objects and New Collection Types Map

Posted by cyber voyager
cyber voyager
8,859 Points

What in the world is going on?!

You introduced us so much information the last videos which you don't fully explain and now I see this

if (clasroom.has(stevenS)) console.log('example');

Where are the curly braces ? {}

1 Answer

Steven Parker
Steven Parker
231,269 Points
Steven Parker
Steven Parker
231,269 Points

Curly braces are not needed for a single statement.

They are often used anyway as a "best practice" to help insure the code is easy to read, but technically they are not needed when the conditional is controlling only one statement.

This is a fact of traditional JavsScript, nothing new for ES2015.

cyber voyager
cyber voyager
8,859 Points

Thank you :)