Member-only storyJavaScript in three Acts.applied.math.coding·Follow4 min read·Oct 17, 2021--ShareAct 1: “The Core” — Part 17 (Optional Chaining and Weak References)Join Medium with my referral link - applied.math.codingGet access to all of my stories and to thousands more on Medium from other writers. As my strong believe is, Medium is…medium.com