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Why would you worry about low level details for a high level language, optimization is an implementation detail. Javascript in my opinion lends itself functiona

• scns 5y ago
  Because he cares about his users who might be using his sofware on a smartphone? If you disregard performance completely, your users will either use your app because they have to and hate it or switch to something else if they can.
  • tephra 5y ago
    You also have to focus on the correct performance issues and personally I've never seen writing functional js/ts being the issue.
    • lostcolony 5y ago
      Define functional js/ts. If it's just "oh, hey, I am using first class functions everywhere" - yes, Javascript is great at that. If it's "I'm writing a bunch of recursive solutions for naturally recursive problems", Javascript is a pretty poor fit for it. You can do it, but it requires extra bookkeeping and care, as I mention on another comment.
      • scns 5y ago
        I once benchmarked a simple loop, and the same loop done via recursion. The recursive solution was an order of magnitude slower.