Javascript is introducing a few new array methods which let us simultaneously copy an array, rather than changing the original. Let's look at how they work.

Hackernoon goes beyond the surface to explore the intricacies of technology, entrepreneurship, and innovation. With a diverse range of articles, opinion pieces, and tutorials, Hackernoon dives deep into the latest developments in software development, blockchain, AI, and more. From analyses of industry trends to practical advice on coding and career growth, Hackernoon empowers readers to navigate the rapidly changing landscape of tech with confidence and insight.

Hacker Noon

A new specification has been written which will give us a host of new ways to copy and then change an array. This proposal is called the "Change Array by Copy" proposal. Currently, these features are not supported in any major browser or Node.JS version. We can expect them to be supported soon though since this specification has reached Stage 3 in the Javascript proposal process.

The Array Methods Coming to JavaScript in 2022

Thanks for making this available!

Super useful for use cases that need these functions for arrays!

It is difficult or easy as compare old.

Good article, but it does not tell us if the object array is copied by value (and shallow or deep copy) or by reference.