Thanks for the article about set methods (https://developer.mozilla.org/en-US/blog/javascript-set-methods/).
I think what’s missing is a description or link to the performance characteristics. It’s mentioned it’s “better than an Array”, but what is the actual performance of lookups for example? Does it guarantee O(1)? What’s worst case? Does it use HashSet under the hood? Does it keep insertion order on iteration?
@bsmith FYI