ECMAScript 2023 (ES14) Features added in the 14th edition of ECMAScript For more information see: Feature support listSupport for Array.findLast()Support for Array.findLastIndex()Support for Hashbang (#!) comment syntaxSupport for WeakMap: Non-registered symbols as keysSupport for Array.toReversed()Support for Array.toSorted()Support for Array.toSpliced()Support for Array.with()