Taobao Frontend Technology
Aug 23, 2022 · Fundamentals
What’s New in ECMAScript 2023? Inside the Latest TC39 Proposals and Stage Advancements
The recent TC39 meeting promoted several proposals—including Hashbang Grammar, Duplicate Named Capturing Groups, Import Reflection, Symbol Predicates, Policy Maps and Sets, Function Memoization, and Object.pick/omit—through various stage thresholds, outlining the requirements for each advancement and providing example code for the new language features.
ECMAScriptFunction memoizationHashbang
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