ECMAScript 2023, the next planned update to the official specification for the JavaScript programming language, is slated to add four capabilities in areas such as arrays and WeakMap keys, based on a list of finished proposals.
The finished proposals, published by the ECMA TC39 (Technical Committee 39) on GitHub, mark the following four features to be published this year:
- Array find from last, a proposal for .findlast() and .findLastIndex() methods on array and typed array. Finding an element in an array is a very common programming pattern, the proposal states.
