Array.filter: max number of matches?

Andrea Giammarchi andrea.giammarchi at
Mon Nov 12 18:17:43 PST 2012

Array.prototype.some ?

On Mon, Nov 12, 2012 at 6:07 PM, Alex Vincent <ajvincent at> wrote:

> I've been wondering for a while if it would be a good idea to add an
> argument to Array.prototype.filter, for a maximum number of matches.  For
> example, if I have a thousand-element array and I only want three matches,
> it might make sense to truncate the search after the third match.
> Put another way:  if I want an intersection between two arrays treated as
> sets, and one array has only three members, then once I've found matches
> for those three, it really doesn't make sense to keep iterating.
> Thoughts, anyone?
> --
> "The first step in confirming there is a bug in someone else's work is
> confirming there are no bugs in your own."
> -- Alexander J. Vincent, June 30, 2001
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