I highly recommend reading this: So, what's next? Change Array by copy proposal: Methods: Array.prototype.toReversed Array.prototype.toSorted Array.prototype.toSpliced Array.prototype.with %TypedArray%.prototype.toReversed %TypedArray%.prototype.toSorted %TypedArray%.prototype.with Moved to stable ES, January 2023 TC39 meeting Added es. namespace modules, /es/ and /stable/ namespaces entries Added