News for hackers. Stuff that matters.

A comment on Using const/let instead of var can make JavaScript code run 10× slower in Webkit. Parent comment

Re:Using const/let instead of var can make JavaScript code r... by twsted on Wednesday October 21, 2020 @07:13AM (#24846629)
Yes, thank you.

So browsers normally optimize the first call, but are forced to update at the second one.

As a related note, are you considering the content-visibility property for webkit?

[ Parent | on HN ]
Re:Using const/let instead of var can make JavaScript code r... by om2 on Wednesday October 21, 2020 @06:48PM (#24853095)
We are aware of the interest and I think we're generally in favor of it, but nothing specific to announce about timing.
[ Parent | on HN ]