DEV Community

Discussion on: Write beautiful and Elegant Javascript code with short-circuit evaluation.

View post

Replies for: const length = Array.isArray(arr) ? arr.length : 0; // or const length = arr?.length ?? 0; Enter fullscreen mode Exit fullscre...

Collapse
 
boredcity profile image
boredcity • 
const length = arr?.length ?? 0;
Enter fullscreen mode Exit fullscreen mode

is the way to go. why create an empty array when you just want to get 0?

Collapse
 
fayomihorace profile image
Horace FAYOMI •

Indeed, this is better, thanks.