In JavaScript you can use Buffers to allocate bytes and manage memory manually to avoid allocations in hot paths. If you're doing that then yes these techniques

In JavaScript you can use Buffers to allocate bytes and manage memory manually to avoid allocations in hot paths. If you're doing that then yes these techniques can be relevant. And this isn't that obscure, many Node libraries and apps seeking performance do actually do this manual memory management. I just can't find one from a quick search.