I don’t think such a thing will ever exist. However, this is more preference and working in a standard than a clear-cut victory for one or the other. I think that most people I work with - once they understand the iteration syntax - prefer it over loops. I’ll discuss the reasons for my preference, and try to list the concrete benefits of using map. I personally prefer using collection iteration operators such as map over language looping constructs, and I will continue to teach this paradigm. I won’t try to say that one is strictly better than the other. I’m hoping this provides more clarity to some people with the question - especially developers who are more familiar with for than with map. I decided to write this article because I’m not fully satisfied with what I found out there talking about constructs such as map vs. It also seems to be pretty contentious to some people. It is interesting to me that all the top results I find for this search are related to JavaScript even though this could certainly apply to other programming languages that have a map and similar constructs as well. map” and the like, I can’t find anything really concrete. I don’t think that I have a great answer. One of the most difficult questions I get when teaching is why we use constructs such as.
for loops are one of the first things that many developers learn. I also typically teach newer developers about iteration operators such as map and eschew for and other such looping constructs sometimes entirely even though they were / are a bread-and-butter of programming. I can usually replace it with another operator. I actually can’t think of the last time I found myself needing to use a for loop for anything. My article is primarily geared towards JavaScript, but I think the concepts do apply more universally. Note: in this article I’ll occasionally use map as a shorthand for many iteration operators. map method as well as Observables which have a map operator and things such as lodash’s map function which allows for iteration over a broader set of collections including unordered collections such as Objects. Instead, when iterating over collections I tend to use the map operator when it’s available. I almost never use for loops in JavaScript and many other languages anymore.
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