I don't know about Underscore, but lo-dash [0] supports lazy execution of a chained query without generating intermediate arrays (see docs [1]). It offers somet

I don't know about Underscore, but lo-dash [0] supports lazy execution of a chained query without generating intermediate arrays (see docs [1]). It offers something pretty similar to LINQ queries on collections (except you don't get the benefit of strong typing). [0]: https://lodash.com/ https://lodash.com/ [1]: https://lodash.com/docs#_ https://lodash.com/docs#_